507315317 has 2 divisors, whose sum is σ = 507315318. Its totient is φ = 507315316.

The previous prime is 507315313. The next prime is 507315353. The reversal of 507315317 is 713513705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440958001 + 66357316 = 20999^2 + 8146^2 .

It is a cyclic number.

It is not a de Polignac number, because 507315317 - 2² = 507315313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507315313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253657658 + 253657659.

It is an arithmetic number, because the mean of its divisors is an integer number (253657659).

Almost surely, 2^507315317 is an apocalyptic number.

It is an amenable number.

507315317 is a deficient number, since it is larger than the sum of its proper divisors (1).

507315317 is an equidigital number, since it uses as much as digits as its factorization.

507315317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 507315317 is about 22523.6612698735. The cubic root of 507315317 is about 797.5525812496.

The spelling of 507315317 in words is "five hundred seven million, three hundred fifteen thousand, three hundred seventeen".