25331400252 has 18 divisors (see below), whose sum is σ = 64032150728. Its totient is φ = 8443800072.

The previous prime is 25331400251. The next prime is 25331400257. The reversal of 25331400252 is 25200413352.

It is a happy number.

25331400252 is a `hidden beast` number, since 2 + 5 + 3 + 3 + 1 + 400 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25331400251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351824968 + ... + 351825039.

Almost surely, 2^25331400252 is an apocalyptic number.

It is an amenable number.

25331400252 is an abundant number, since it is smaller than the sum of its proper divisors (38700750476).

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

25331400252 is a wasteful number, since it uses less digits than its factorization.

25331400252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703650017 (or 703650012 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 25331400252 in words is "twenty-five billion, three hundred thirty-one million, four hundred thousand, two hundred fifty-two".