25296902500 has 45 divisors (see below), whose sum is σ = 55336662381. Its totient is φ = 10115580000.

The previous prime is 25296902497. The next prime is 25296902531. The reversal of 25296902500 is 520969252.

The square root of 25296902500 is 159050.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 25295630116 + 1272384 = 159046^2 + 1128^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7950910 + ... + 7954090.

Almost surely, 2^25296902500 is an apocalyptic number.

25296902500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

25296902500 is the 159050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25296902500

25296902500 is an abundant number, since it is smaller than the sum of its proper divisors (30039759881).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25296902500 is an frugal number, since it uses more digits than its factorization.

25296902500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 25296902500 in words is "twenty-five billion, two hundred ninety-six million, nine hundred two thousand, five hundred".