317075393 has 2 divisors, whose sum is σ = 317075394. Its totient is φ = 317075392.

The previous prime is 317075333. The next prime is 317075399. The reversal of 317075393 is 393570713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247653169 + 69422224 = 15737^2 + 8332^2 .

It is an emirp because it is prime and its reverse (393570713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317075393 - 2⁶ = 317075329 is a prime.

It is a super-2 number, since 2×317075393² = 201073609692208898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317075399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158537696 + 158537697.

It is an arithmetic number, because the mean of its divisors is an integer number (158537697).

Almost surely, 2^317075393 is an apocalyptic number.

It is an amenable number.

317075393 is a deficient number, since it is larger than the sum of its proper divisors (1).

317075393 is an equidigital number, since it uses as much as digits as its factorization.

317075393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59535, while the sum is 38.

The square root of 317075393 is about 17806.6109352678. The cubic root of 317075393 is about 681.9002449821.

The spelling of 317075393 in words is "three hundred seventeen million, seventy-five thousand, three hundred ninety-three".