5313581256 has 32 divisors (see below), whose sum is σ = 13861517760. Its totient is φ = 1694185152.

The previous prime is 5313581243. The next prime is 5313581291. The reversal of 5313581256 is 6521853135.

It is a super-2 number, since 2×5313581256² = 56468291528229075072, which contains 22 as substring.

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, 4812475 + ... + 4813578.

It is an arithmetic number, because the mean of its divisors is an integer number (433172430).

Almost surely, 2^5313581256 is an apocalyptic number.

It is an amenable number.

5313581256 is an abundant number, since it is smaller than the sum of its proper divisors (8547936504).

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

5313581256 is a wasteful number, since it uses less digits than its factorization.

5313581256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626085 (or 9626081 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 5313581256 is about 72894.3156631572. The cubic root of 5313581256 is about 1745.0013826914.

The spelling of 5313581256 in words is "five billion, three hundred thirteen million, five hundred eighty-one thousand, two hundred fifty-six".