2531437056 has 80 divisors (see below), whose sum is σ = 7493270400. Its totient is φ = 843807744.

The previous prime is 2531437031. The next prime is 2531437087. The reversal of 2531437056 is 6507341352.

2531437056 is a `hidden beast` number, since 2 + 531 + 4 + 3 + 70 + 56 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2531437056.

It is a congruent number.

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, 77736 + ... + 105383.

It is an arithmetic number, because the mean of its divisors is an integer number (93665880).

Almost surely, 2^2531437056 is an apocalyptic number.

It is an amenable number.

2531437056 is an abundant number, since it is smaller than the sum of its proper divisors (4961833344).

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

2531437056 is an equidigital number, since it uses as much as digits as its factorization.

2531437056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183146 (or 183124 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 2531437056 is about 50313.3884368763. The cubic root of 2531437056 is about 1362.8740144944.

The spelling of 2531437056 in words is "two billion, five hundred thirty-one million, four hundred thirty-seven thousand, fifty-six".