316592993 has 2 divisors, whose sum is σ = 316592994. Its totient is φ = 316592992.

The previous prime is 316592929. The next prime is 316593001. The reversal of 316592993 is 399295613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227044624 + 89548369 = 15068^2 + 9463^2 .

It is a cyclic number.

It is not a de Polignac number, because 316592993 - 2⁶ = 316592929 is a prime.

It is a super-2 number, since 2×316592993² = 200462246433396098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316592923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158296496 + 158296497.

It is an arithmetic number, because the mean of its divisors is an integer number (158296497).

Almost surely, 2^316592993 is an apocalyptic number.

It is an amenable number.

316592993 is a deficient number, since it is larger than the sum of its proper divisors (1).

316592993 is an equidigital number, since it uses as much as digits as its factorization.

316592993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 47.

The square root of 316592993 is about 17793.0602483103. The cubic root of 316592993 is about 681.5542540412.

The spelling of 316592993 in words is "three hundred sixteen million, five hundred ninety-two thousand, nine hundred ninety-three".