2656045531 has 2 divisors, whose sum is σ = 2656045532. Its totient is φ = 2656045530.

The previous prime is 2656045523. The next prime is 2656045583. The reversal of 2656045531 is 1355406562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2656045531 - 2³ = 2656045523 is a prime.

It is a super-2 number, since 2×2656045531² = 14109155725490143922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2656045501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328022765 + 1328022766.

It is an arithmetic number, because the mean of its divisors is an integer number (1328022766).

Almost surely, 2^2656045531 is an apocalyptic number.

2656045531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656045531 is an equidigital number, since it uses as much as digits as its factorization.

2656045531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2656045531 is about 51536.8366413772. The cubic root of 2656045531 is about 1384.8790279549.

The spelling of 2656045531 in words is "two billion, six hundred fifty-six million, forty-five thousand, five hundred thirty-one".