25647074652 has 24 divisors (see below), whose sum is σ = 59846677632. Its totient is φ = 8548524400.

The previous prime is 25647074603. The next prime is 25647074683.

25647074652 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25647074652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192577 + ... + 297287.

It is an arithmetic number, because the mean of its divisors is an integer number (2493611568).

Almost surely, 2^25647074652 is an apocalyptic number.

It is an amenable number.

25647074652 is an abundant number, since it is smaller than the sum of its proper divisors (34199602980).

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

25647074652 is a wasteful number, since it uses less digits than its factorization.

25647074652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125129 (or 125127 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 25647074652 in words is "twenty-five billion, six hundred forty-seven million, seventy-four thousand, six hundred fifty-two".