25356865352 has 48 divisors (see below), whose sum is σ = 59560780860. Its totient is φ = 10031285376.

The previous prime is 25356865327. The next prime is 25356865367.

It is a happy number.

25356865352 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 24722530756 + 634334596 = 157234^2 + 25186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25356865352.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2482823 + ... + 2493014.

Almost surely, 2^25356865352 is an apocalyptic number.

It is an amenable number.

25356865352 is an abundant number, since it is smaller than the sum of its proper divisors (34203915508).

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

25356865352 is a wasteful number, since it uses less digits than its factorization.

25356865352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975870 (or 4975859 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 50.

The spelling of 25356865352 in words is "twenty-five billion, three hundred fifty-six million, eight hundred sixty-five thousand, three hundred fifty-two".