8315317 has 2 divisors, whose sum is σ = 8315318. Its totient is φ = 8315316.

The previous prime is 8315273. The next prime is 8315323. The reversal of 8315317 is 7135138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8071281 + 244036 = 2841^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 8315317 - 2¹¹ = 8313269 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8315327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4157658 + 4157659.

It is an arithmetic number, because the mean of its divisors is an integer number (4157659).

Almost surely, 2^8315317 is an apocalyptic number.

It is an amenable number.

8315317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8315317 is an equidigital number, since it uses as much as digits as its factorization.

8315317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 8315317 is about 2883.6291370424. The cubic root of 8315317 is about 202.5938557965.

It can be divided in two parts, 83 and 15317, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 8315317 in words is "eight million, three hundred fifteen thousand, three hundred seventeen".