264624379 has 2 divisors, whose sum is σ = 264624380. Its totient is φ = 264624378.

The previous prime is 264624341. The next prime is 264624383. The reversal of 264624379 is 973426462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264624379 - 2⁹ = 264623867 is a prime.

It is a super-2 number, since 2×264624379² = 140052123922271282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264624319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132312189 + 132312190.

It is an arithmetic number, because the mean of its divisors is an integer number (132312190).

Almost surely, 2^264624379 is an apocalyptic number.

264624379 is a deficient number, since it is larger than the sum of its proper divisors (1).

264624379 is an equidigital number, since it uses as much as digits as its factorization.

264624379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 264624379 is about 16267.2793976129. The cubic root of 264624379 is about 642.0122044567.

The spelling of 264624379 in words is "two hundred sixty-four million, six hundred twenty-four thousand, three hundred seventy-nine".