##### The Number “25”

The study of numbers and their symbolic meaning is known as Numerology. Most people believe that lucky numbers can be used to predict the future or to understand someone’s personality. The number **25** holds very special stratification in numerology. It is considered to be an angel number, which means that it has great power and potential to lead into a holy year. It is a square number, being **5 ^{2} = 5 × 5**. It is two-digit numbers whose square and higher powers of the number also ends in the same last two digits, For instance :

**25**; It is the smallest square that is also a sum of two (non-zero) squares:

^{2}= 625**25 = 3**. Hence, it often appears in illustrations of the Pythagoras theorem. The number

^{2}+ 4^{2}**25**is also associated with the planet Mars, which is the planet of war and aggression. Some people believe that the number

**25**is unlucky because it can represent chaos and destruction.

– 25 is the sum of the five consecutive single digit odd natural numbers: 1, 3, 5, 7, and 9.

-25 percent (%) is equal to 1/4.

-25 is a centered octagonal number, a centered octagonal number, a centered square number, a centered octahedral number, and an automorphic number.

-25 is the smallest aspiring number — a composite non-sociable number whose aliquot sequence does not terminate.^{}

-It is the smallest decimal Friedman number as it can be expressed by its own digits: 5^{2}.^{}

-It is also a Cullen number and a vertically symmetrical number.

^{}-25 is the smallest pseudoprime satisfying the congruence 7^{n} = 7 mod n.

**The number 25 is the:**

- per-second frame rate of the PAL video standard.
- part of the name of the LSD-25 molecule.
- number of years of 25 is called Silver Jubilee.
- number of cents in a quarter.
- usual TCP port for SMTP.
- essence of 25 is intuitive, curious, and thinks things through.