2056572731 has 2 divisors, whose sum is σ = 2056572732. Its totient is φ = 2056572730.

The previous prime is 2056572709. The next prime is 2056572803. The reversal of 2056572731 is 1372756502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2056572731 - 2³⁰ = 982830907 is a prime.

It is a super-2 number, since 2×2056572731² = 8458982795785596722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2056572701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028286365 + 1028286366.

It is an arithmetic number, because the mean of its divisors is an integer number (1028286366).

Almost surely, 2^2056572731 is an apocalyptic number.

2056572731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056572731 is an equidigital number, since it uses as much as digits as its factorization.

2056572731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 2056572731 is about 45349.4512756218. The cubic root of 2056572731 is about 1271.6902971053.

The spelling of 2056572731 in words is "two billion, fifty-six million, five hundred seventy-two thousand, seven hundred thirty-one".