264460631 has 2 divisors, whose sum is σ = 264460632. Its totient is φ = 264460630.

The previous prime is 264460613. The next prime is 264460633. The reversal of 264460631 is 136064462.

Together with previous prime (264460613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264460631 is a prime.

It is a super-2 number, since 2×264460631² = 139878850697836322, which contains 22 as substring.

Together with 264460633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264460633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132230315 + 132230316.

It is an arithmetic number, because the mean of its divisors is an integer number (132230316).

Almost surely, 2^264460631 is an apocalyptic number.

264460631 is a deficient number, since it is larger than the sum of its proper divisors (1).

264460631 is an equidigital number, since it uses as much as digits as its factorization.

264460631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 264460631 is about 16262.2455706461. The cubic root of 264460631 is about 641.8797526817.

The spelling of 264460631 in words is "two hundred sixty-four million, four hundred sixty thousand, six hundred thirty-one".