25265256252 has 24 divisors (see below), whose sum is σ = 59535953232. Its totient is φ = 8338368000.

The previous prime is 25265256239. The next prime is 25265256281.

It is a happy number.

25265256252 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 7 ways as a sum of consecutive naturals, for example, 10421749 + ... + 10424172.

It is an arithmetic number, because the mean of its divisors is an integer number (2480664718).

Almost surely, 2^25265256252 is an apocalyptic number.

It is an amenable number.

25265256252 is an abundant number, since it is smaller than the sum of its proper divisors (34270696980).

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

25265256252 is a wasteful number, since it uses less digits than its factorization.

25265256252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20846029 (or 20846027 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The spelling of 25265256252 in words is "twenty-five billion, two hundred sixty-five million, two hundred fifty-six thousand, two hundred fifty-two".