264892631 has 2 divisors, whose sum is σ = 264892632. Its totient is φ = 264892630.

The previous prime is 264892603. The next prime is 264892637. The reversal of 264892631 is 136298462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264892631 - 2⁶ = 264892567 is a prime.

It is a super-2 number, since 2×264892631² = 140336211916204322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264892637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132446315 + 132446316.

It is an arithmetic number, because the mean of its divisors is an integer number (132446316).

Almost surely, 2^264892631 is an apocalyptic number.

264892631 is a deficient number, since it is larger than the sum of its proper divisors (1).

264892631 is an equidigital number, since it uses as much as digits as its factorization.

264892631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 264892631 is about 16275.5224493716. The cubic root of 264892631 is about 642.2290689513.

The spelling of 264892631 in words is "two hundred sixty-four million, eight hundred ninety-two thousand, six hundred thirty-one".