2531433256 has 24 divisors (see below), whose sum is σ = 5217160410. Its totient is φ = 1150651040.

The previous prime is 2531433221. The next prime is 2531433283. The reversal of 2531433256 is 6523341352.

It can be written as a sum of positive squares in only one way, i.e., 1830984100 + 700449156 = 42790^2 + 26466^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306591 + ... + 1308526.

Almost surely, 2^2531433256 is an apocalyptic number.

It is an amenable number.

2531433256 is an abundant number, since it is smaller than the sum of its proper divisors (2685727154).

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

2531433256 is a wasteful number, since it uses less digits than its factorization.

2531433256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615145 (or 2615130 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 2531433256 is about 50313.3506735538. The cubic root of 2531433256 is about 1362.8733325466.

The spelling of 2531433256 in words is "two billion, five hundred thirty-one million, four hundred thirty-three thousand, two hundred fifty-six".