317508349 has 2 divisors, whose sum is σ = 317508350. Its totient is φ = 317508348.

The previous prime is 317508343. The next prime is 317508383. The reversal of 317508349 is 943805713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317481124 + 27225 = 17818^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 317508349 - 2⁹ = 317507837 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 (317508343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158754174 + 158754175.

It is an arithmetic number, because the mean of its divisors is an integer number (158754175).

Almost surely, 2^317508349 is an apocalyptic number.

It is an amenable number.

317508349 is a deficient number, since it is larger than the sum of its proper divisors (1).

317508349 is an equidigital number, since it uses as much as digits as its factorization.

317508349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 317508349 is about 17818.7639582548. The cubic root of 317508349 is about 682.2104745930.

The spelling of 317508349 in words is "three hundred seventeen million, five hundred eight thousand, three hundred forty-nine".