25375857352 has 16 divisors (see below), whose sum is σ = 47585787660. Its totient is φ = 12686313984.

The previous prime is 25375857323. The next prime is 25375857401.

25375857352 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 21052268836 + 4323588516 = 145094^2 + 65754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25375857352.

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, 133693 + ... + 261964.

Almost surely, 2^25375857352 is an apocalyptic number.

It is an amenable number.

25375857352 is a deficient number, since it is larger than the sum of its proper divisors (22209930308).

25375857352 is a wasteful number, since it uses less digits than its factorization.

25375857352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403680 (or 403676 counting only the distinct ones).

The product of its digits is 8820000, while the sum is 52.

The spelling of 25375857352 in words is "twenty-five billion, three hundred seventy-five million, eight hundred fifty-seven thousand, three hundred fifty-two".