264992513 has 2 divisors, whose sum is σ = 264992514. Its totient is φ = 264992512.

The previous prime is 264992503. The next prime is 264992521. The reversal of 264992513 is 315299462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193961329 + 71031184 = 13927^2 + 8428^2 .

It is a cyclic number.

It is not a de Polignac number, because 264992513 - 2⁸ = 264992257 is a prime.

It is not a weakly prime, because it can be changed into another prime (264992503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132496256 + 132496257.

It is an arithmetic number, because the mean of its divisors is an integer number (132496257).

Almost surely, 2^264992513 is an apocalyptic number.

It is an amenable number.

264992513 is a deficient number, since it is larger than the sum of its proper divisors (1).

264992513 is an equidigital number, since it uses as much as digits as its factorization.

264992513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 264992513 is about 16278.5906330984. The cubic root of 264992513 is about 642.3097797193.

The spelling of 264992513 in words is "two hundred sixty-four million, nine hundred ninety-two thousand, five hundred thirteen".