25213631252 has 12 divisors (see below), whose sum is σ = 44127073536. Its totient is φ = 12605895960.

The previous prime is 25213631249. The next prime is 25213631263.

25213631252 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166274 + ... + 279417.

It is an arithmetic number, because the mean of its divisors is an integer number (3677256128).

Almost surely, 2^25213631252 is an apocalyptic number.

It is an amenable number.

25213631252 is a deficient number, since it is larger than the sum of its proper divisors (18913442284).

25213631252 is a wasteful number, since it uses less digits than its factorization.

25213631252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459838 (or 459836 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The spelling of 25213631252 in words is "twenty-five billion, two hundred thirteen million, six hundred thirty-one thousand, two hundred fifty-two".