264931 has 2 divisors, whose sum is σ = 264932. Its totient is φ = 264930.

The previous prime is 264919. The next prime is 264949. The reversal of 264931 is 139462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264931 - 2⁵ = 264899 is a prime.

It is a super-2 number, since 2×264931² = 140376869522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 6 + 9² + 4⁹ + 3⁷ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 264896 and 264905.

It is not a weakly prime, because it can be changed into another prime (264961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132465 + 132466.

It is an arithmetic number, because the mean of its divisors is an integer number (132466).

2²⁶⁴⁹³¹ is an apocalyptic number.

264931 is a deficient number, since it is larger than the sum of its proper divisors (1).

264931 is an equidigital number, since it uses as much as digits as its factorization.

264931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 264931 is about 514.7144839617. The cubic root of 264931 is about 64.2260075851.

The spelling of 264931 in words is "two hundred sixty-four thousand, nine hundred thirty-one".