264970613 has 2 divisors, whose sum is σ = 264970614. Its totient is φ = 264970612.

The previous prime is 264970597. The next prime is 264970679. The reversal of 264970613 is 316079462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138250564 + 126720049 = 11758^2 + 11257^2 .

It is a cyclic number.

It is not a de Polignac number, because 264970613 - 2⁴ = 264970597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264970513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132485306 + 132485307.

It is an arithmetic number, because the mean of its divisors is an integer number (132485307).

Almost surely, 2^264970613 is an apocalyptic number.

It is an amenable number.

264970613 is a deficient number, since it is larger than the sum of its proper divisors (1).

264970613 is an equidigital number, since it uses as much as digits as its factorization.

264970613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 264970613 is about 16277.9179565447. The cubic root of 264970613 is about 642.2920849153.

The spelling of 264970613 in words is "two hundred sixty-four million, nine hundred seventy thousand, six hundred thirteen".