Number 25 is a natural number that follows 24 and precedes 26. It is an odd number and can be expressed as the sum of the first five odd numbers: 1 + 3 + 5 + 7 + 9 = 25. In mathematics, it is also the square of 5, as 5 × 5 = 25. In various cultures, the number 25 holds significance. For example, in numerology, it is often associated with adventure and exploration. In sports, the number 25 is commonly worn by athletes, symbolizing their unique identity on the field or court.