317197 has 2 divisors, whose sum is σ = 317198. Its totient is φ = 317196.

The previous prime is 317189. The next prime is 317209. The reversal of 317197 is 791713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285156 + 32041 = 534^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 317197 - 2³ = 317189 is a prime.

It is a super-2 number, since 2×317197² = 201227873618, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158598 + 158599.

It is an arithmetic number, because the mean of its divisors is an integer number (158599).

2³¹⁷¹⁹⁷ is an apocalyptic number.

It is an amenable number.

317197 is a deficient number, since it is larger than the sum of its proper divisors (1).

317197 is an equidigital number, since it uses as much as digits as its factorization.

317197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323, while the sum is 28.

The square root of 317197 is about 563.2024502788. The cubic root of 317197 is about 68.1987409577.

The spelling of 317197 in words is "three hundred seventeen thousand, one hundred ninety-seven".