317716853 has 4 divisors (see below), whose sum is σ = 322925388. Its totient is φ = 312508320.

The previous prime is 317716843. The next prime is 317716897. The reversal of 317716853 is 358617713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124590244 + 193126609 = 11162^2 + 13897^2 .

It is a cyclic number.

It is not a de Polignac number, because 317716853 - 2¹⁶ = 317651317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 317716853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317716813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604176 + ... + 2604297.

It is an arithmetic number, because the mean of its divisors is an integer number (80731347).

Almost surely, 2^317716853 is an apocalyptic number.

It is an amenable number.

317716853 is a deficient number, since it is larger than the sum of its proper divisors (5208535).

317716853 is an equidigital number, since it uses as much as digits as its factorization.

317716853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208534.

The product of its digits is 105840, while the sum is 41.

The square root of 317716853 is about 17824.6136844533. The cubic root of 317716853 is about 682.3597751159.

The spelling of 317716853 in words is "three hundred seventeen million, seven hundred sixteen thousand, eight hundred fifty-three".