264790597 has 4 divisors (see below), whose sum is σ = 269786700. Its totient is φ = 259794496.

The previous prime is 264790579. The next prime is 264790601. The reversal of 264790597 is 795097462.

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 112169281 + 152621316 = 10591^2 + 12354^2 .

It is a cyclic number.

It is not a de Polignac number, because 264790597 - 2⁷ = 264790469 is a prime.

It is a super-2 number, since 2×264790597² = 140228120519232818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264790597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264790567) by changing a digit.

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, 2497972 + ... + 2498077.

It is an arithmetic number, because the mean of its divisors is an integer number (67446675).

Almost surely, 2^264790597 is an apocalyptic number.

It is an amenable number.

264790597 is a deficient number, since it is larger than the sum of its proper divisors (4996103).

264790597 is an equidigital number, since it uses as much as digits as its factorization.

264790597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996102.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 264790597 is about 16272.3875629853. The cubic root of 264790597 is about 642.1465982838.

The spelling of 264790597 in words is "two hundred sixty-four million, seven hundred ninety thousand, five hundred ninety-seven".