264316631 has 4 divisors (see below), whose sum is σ = 264579600. Its totient is φ = 264053664.

The previous prime is 264316601. The next prime is 264316639. The reversal of 264316631 is 136613462.

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 264316631 - 2¹⁴ = 264300247 is a prime.

It is a super-2 number, since 2×264316631² = 139726562846380322, 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 (264316639) 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, 129971 + ... + 131988.

It is an arithmetic number, because the mean of its divisors is an integer number (66144900).

Almost surely, 2^264316631 is an apocalyptic number.

264316631 is a deficient number, since it is larger than the sum of its proper divisors (262969).

264316631 is a wasteful number, since it uses less digits than its factorization.

264316631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262968.

The product of its digits is 15552, while the sum is 32.

The square root of 264316631 is about 16257.8175349584. The cubic root of 264316631 is about 641.7632293950.

The spelling of 264316631 in words is "two hundred sixty-four million, three hundred sixteen thousand, six hundred thirty-one".