500000317 has 2 divisors, whose sum is σ = 500000318. Its totient is φ = 500000316.

The previous prime is 500000299. The next prime is 500000321. The reversal of 500000317 is 713000005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369446841 + 130553476 = 19221^2 + 11426^2 .

It is a cyclic number.

It is not a de Polignac number, because 500000317 - 2¹¹ = 499998269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 500000317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500000377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250000158 + 250000159.

It is an arithmetic number, because the mean of its divisors is an integer number (250000159).

Almost surely, 2^500000317 is an apocalyptic number.

It is an amenable number.

500000317 is a deficient number, since it is larger than the sum of its proper divisors (1).

500000317 is an equidigital number, since it uses as much as digits as its factorization.

500000317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 500000317 is about 22360.6868633323. The cubic root of 500000317 is about 793.7006937194.

The spelling of 500000317 in words is "five hundred million, three hundred seventeen", and thus it is an aban number.