317497 has 4 divisors (see below), whose sum is σ = 326116. Its totient is φ = 308880.

The previous prime is 317491. The next prime is 317503. The reversal of 317497 is 794713.

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

It is an interprime number because it is at equal distance from previous prime (317491) and next prime (317503).

It can be written as a sum of positive squares in 2 ways, for example, as 109561 + 207936 = 331^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 317497 - 2³ = 317489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317491) 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, 4254 + ... + 4327.

It is an arithmetic number, because the mean of its divisors is an integer number (81529).

2³¹⁷⁴⁹⁷ is an apocalyptic number.

317497 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

317497 is a deficient number, since it is larger than the sum of its proper divisors (8619).

317497 is an equidigital number, since it uses as much as digits as its factorization.

317497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618.

The product of its digits is 5292, while the sum is 31.

The square root of 317497 is about 563.4687214034. The cubic root of 317497 is about 68.2202346199.

The spelling of 317497 in words is "three hundred seventeen thousand, four hundred ninety-seven".