25313831352 has 48 divisors (see below), whose sum is σ = 68603960880. Its totient is φ = 8432323200.

The previous prime is 25313831339. The next prime is 25313831357.

25313831352 is a `hidden beast` number, since 25 + 313 + 8 + 313 + 5 + 2 = 666.

25313831352 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313831357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7549 + ... + 225132.

It is an arithmetic number, because the mean of its divisors is an integer number (1429249185).

Almost surely, 2^25313831352 is an apocalyptic number.

It is an amenable number.

25313831352 is an abundant number, since it is smaller than the sum of its proper divisors (43290129528).

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

25313831352 is a wasteful number, since it uses less digits than its factorization.

25313831352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234204 (or 234197 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 25313831352 in words is "twenty-five billion, three hundred thirteen million, eight hundred thirty-one thousand, three hundred fifty-two".