264624331 has 2 divisors, whose sum is σ = 264624332. Its totient is φ = 264624330.

The previous prime is 264624319. The next prime is 264624341. The reversal of 264624331 is 133426462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264624331 - 2⁷ = 264624203 is a prime.

It is a super-2 number, since 2×264624331² = 140052073114395122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264624293 and 264624302.

It is not a weakly prime, because it can be changed into another prime (264624301) 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, 132312165 + 132312166.

It is an arithmetic number, because the mean of its divisors is an integer number (132312166).

Almost surely, 2^264624331 is an apocalyptic number.

264624331 is a deficient number, since it is larger than the sum of its proper divisors (1).

264624331 is an equidigital number, since it uses as much as digits as its factorization.

264624331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 264624331 is about 16267.2779222585. The cubic root of 264624331 is about 642.0121656387.

The spelling of 264624331 in words is "two hundred sixty-four million, six hundred twenty-four thousand, three hundred thirty-one".