316817 has 2 divisors, whose sum is σ = 316818.
Its totient is φ = 316816.
The previous prime is 316801. The next prime is 316819. The reversal of 316817 is 718613.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 261121 + 55696 = 511^2 + 236^2
It is a cyclic number.
It is not a de Polignac number, because 316817 - 24 = 316801 is a prime.
It is a super-2 number, since 2×3168172 = 200746022978, which contains 22 as substring.
Together with 316819, it forms a pair of twin primes.
It is a Chen prime.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316817.
It is not a weakly prime, because it can be changed into another prime (316819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158408 + 158409.
It is an arithmetic number, because the mean of its divisors is an integer number (158409).
2316817 is an apocalyptic number.
It is an amenable number.
316817 is a deficient number, since it is larger than the sum of its proper divisors (1).
316817 is an equidigital number, since it uses as much as digits as its factorization.
316817 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1008, while the sum is 26.
The square root of 316817 is about 562.8649926936.
The cubic root of 316817 is about 68.1714961883.
The spelling of 316817 in words is "three hundred sixteen thousand, eight hundred seventeen".