264990317 has 2 divisors, whose sum is σ = 264990318. Its totient is φ = 264990316.

The previous prime is 264990307. The next prime is 264990331. The reversal of 264990317 is 713099462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248188516 + 16801801 = 15754^2 + 4099^2 .

It is a cyclic number.

It is not a de Polignac number, because 264990317 - 2¹⁰ = 264989293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264990307) 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, 132495158 + 132495159.

It is an arithmetic number, because the mean of its divisors is an integer number (132495159).

Almost surely, 2^264990317 is an apocalyptic number.

It is an amenable number.

264990317 is a deficient number, since it is larger than the sum of its proper divisors (1).

264990317 is an equidigital number, since it uses as much as digits as its factorization.

264990317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 264990317 is about 16278.5231824020. The cubic root of 264990317 is about 642.3080054349.

The spelling of 264990317 in words is "two hundred sixty-four million, nine hundred ninety thousand, three hundred seventeen".