317009513 has 2 divisors, whose sum is σ = 317009514. Its totient is φ = 317009512.

The previous prime is 317009507. The next prime is 317009593. The reversal of 317009513 is 315900713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188595289 + 128414224 = 13733^2 + 11332^2 .

It is a cyclic number.

It is not a de Polignac number, because 317009513 - 2⁶ = 317009449 is a prime.

It is not a weakly prime, because it can be changed into another prime (317009593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158504756 + 158504757.

It is an arithmetic number, because the mean of its divisors is an integer number (158504757).

Almost surely, 2^317009513 is an apocalyptic number.

It is an amenable number.

317009513 is a deficient number, since it is larger than the sum of its proper divisors (1).

317009513 is an equidigital number, since it uses as much as digits as its factorization.

317009513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 317009513 is about 17804.7609644162. The cubic root of 317009513 is about 681.8530146800.

The spelling of 317009513 in words is "three hundred seventeen million, nine thousand, five hundred thirteen".