99317 has 2 divisors, whose sum is σ = 99318. Its totient is φ = 99316.

The previous prime is 99289. The next prime is 99347. The reversal of 99317 is 71399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70756 + 28561 = 266^2 + 169^2 .

It is an emirp because it is prime and its reverse (71399) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99317 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99317.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99317.

It is not a weakly prime, because it can be changed into another prime (99347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49658 + 49659.

It is an arithmetic number, because the mean of its divisors is an integer number (49659).

2⁹⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

99317 is a deficient number, since it is larger than the sum of its proper divisors (1).

99317 is an equidigital number, since it uses as much as digits as its factorization.

99317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701, while the sum is 29.

The square root of 99317 is about 315.1459979121. The cubic root of 99317 is about 46.3099733299.

The spelling of 99317 in words is "ninety-nine thousand, three hundred seventeen".