264317965 has 4 divisors (see below), whose sum is σ = 317181564. Its totient is φ = 211454368.

The previous prime is 264317929. The next prime is 264318007. The reversal of 264317965 is 569713462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65254084 + 199063881 = 8078^2 + 14109^2 .

It is a cyclic number.

It is not a de Polignac number, because 264317965 - 2²⁷ = 130100237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26431792 + ... + 26431801.

It is an arithmetic number, because the mean of its divisors is an integer number (79295391).

Almost surely, 2^264317965 is an apocalyptic number.

It is an amenable number.

264317965 is a deficient number, since it is larger than the sum of its proper divisors (52863599).

264317965 is an equidigital number, since it uses as much as digits as its factorization.

264317965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52863598.

The product of its digits is 272160, while the sum is 43.

The square root of 264317965 is about 16257.8585613235. The cubic root of 264317965 is about 641.7643090480.

The spelling of 264317965 in words is "two hundred sixty-four million, three hundred seventeen thousand, nine hundred sixty-five".