6256536531 has 48 divisors (see below), whose sum is σ = 10074909600. Its totient is φ = 3439414272.

The previous prime is 6256536479. The next prime is 6256536617. The reversal of 6256536531 is 1356356526.

It is not a de Polignac number, because 6256536531 - 2⁹ = 6256536019 is a prime.

It is a super-2 number, since 2×6256536531² = 78288498727475027922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6256536031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1246555 + ... + 1251563.

It is an arithmetic number, because the mean of its divisors is an integer number (209893950).

Almost surely, 2^6256536531 is an apocalyptic number.

6256536531 is a deficient number, since it is larger than the sum of its proper divisors (3818373069).

6256536531 is a wasteful number, since it uses less digits than its factorization.

6256536531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348 (or 5341 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The square root of 6256536531 is about 79098.2713527925. The cubic root of 6256536531 is about 1842.6576798815.

The spelling of 6256536531 in words is "six billion, two hundred fifty-six million, five hundred thirty-six thousand, five hundred thirty-one".