2531376256 has 32 divisors (see below), whose sum is σ = 5055410700. Its totient is φ = 1262567424.

The previous prime is 2531376233. The next prime is 2531376257. The reversal of 2531376256 is 6526731352.

It can be written as a sum of positive squares in 2 ways, for example, as 2528078400 + 3297856 = 50280^2 + 1816^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2531376257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28176 + ... + 76528.

Almost surely, 2^2531376256 is an apocalyptic number.

It is an amenable number.

2531376256 is a deficient number, since it is larger than the sum of its proper divisors (2524034444).

2531376256 is an equidigital number, since it uses as much as digits as its factorization.

2531376256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48776 (or 48764 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 2531376256 is about 50312.7842203152. The cubic root of 2531376256 is about 1362.8631032476.

The spelling of 2531376256 in words is "two billion, five hundred thirty-one million, three hundred seventy-six thousand, two hundred fifty-six".