25213031252 has 24 divisors (see below), whose sum is σ = 45159265536. Its totient is φ = 12310518528.

The previous prime is 25213031251. The next prime is 25213031269.

It is a happy number.

25213031252 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213031251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872093 + ... + 900539.

It is an arithmetic number, because the mean of its divisors is an integer number (1881636064).

Almost surely, 2^25213031252 is an apocalyptic number.

It is an amenable number.

25213031252 is a deficient number, since it is larger than the sum of its proper divisors (19946234284).

25213031252 is a wasteful number, since it uses less digits than its factorization.

25213031252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33647 (or 33645 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 252130 and 31252, that added together give a palindrome (283382).

The spelling of 25213031252 in words is "twenty-five billion, two hundred thirteen million, thirty-one thousand, two hundred fifty-two".