507812317 has 2 divisors, whose sum is σ = 507812318. Its totient is φ = 507812316.

The previous prime is 507812311. The next prime is 507812323. The reversal of 507812317 is 713218705.

It is a balanced prime because it is at equal distance from previous prime (507812311) and next prime (507812323).

It can be written as a sum of positive squares in only one way, i.e., 494350756 + 13461561 = 22234^2 + 3669^2 .

It is a cyclic number.

It is not a de Polignac number, because 507812317 - 2¹¹ = 507810269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507812311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253906158 + 253906159.

It is an arithmetic number, because the mean of its divisors is an integer number (253906159).

Almost surely, 2^507812317 is an apocalyptic number.

It is an amenable number.

507812317 is a deficient number, since it is larger than the sum of its proper divisors (1).

507812317 is an equidigital number, since it uses as much as digits as its factorization.

507812317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 507812317 is about 22534.6914112441. The cubic root of 507812317 is about 797.8129415217.

The spelling of 507812317 in words is "five hundred seven million, eight hundred twelve thousand, three hundred seventeen".