2556462031 has 4 divisors (see below), whose sum is σ = 2556754200. Its totient is φ = 2556169864.

The previous prime is 2556462019. The next prime is 2556462071. The reversal of 2556462031 is 1302646552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2556462031 - 2¹⁵ = 2556429263 is a prime.

It is a super-2 number, since 2×2556462031² = 13070996231889289922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556462071) 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, 132541 + ... + 150598.

It is an arithmetic number, because the mean of its divisors is an integer number (639188550).

Almost surely, 2^2556462031 is an apocalyptic number.

2556462031 is a deficient number, since it is larger than the sum of its proper divisors (292169).

2556462031 is an equidigital number, since it uses as much as digits as its factorization.

2556462031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292168.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2556462031 is about 50561.4678485504. The cubic root of 2556462031 is about 1367.3502749423.

The spelling of 2556462031 in words is "two billion, five hundred fifty-six million, four hundred sixty-two thousand, thirty-one".