25203630252 has 48 divisors (see below), whose sum is σ = 60747194592. Its totient is φ = 8126876160.

The previous prime is 25203630251. The next prime is 25203630281.

25203630252 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25203630251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87249 + ... + 240872.

It is an arithmetic number, because the mean of its divisors is an integer number (1265566554).

Almost surely, 2^25203630252 is an apocalyptic number.

It is an amenable number.

25203630252 is an abundant number, since it is smaller than the sum of its proper divisors (35543564340).

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

25203630252 is a wasteful number, since it uses less digits than its factorization.

25203630252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328338 (or 328336 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 25203630252 in words is "twenty-five billion, two hundred three million, six hundred thirty thousand, two hundred fifty-two".