317087 has 2 divisors, whose sum is σ = 317088. Its totient is φ = 317086.

The previous prime is 317077. The next prime is 317089. The reversal of 317087 is 780713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317087 - 2⁴ = 317071 is a prime.

It is a super-3 number, since 3×317087³ = 95643743483332509, which contains 333 as substring.

Together with 317089, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317087.

It is not a weakly prime, because it can be changed into another prime (317089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158543 + 158544.

It is an arithmetic number, because the mean of its divisors is an integer number (158544).

2³¹⁷⁰⁸⁷ is an apocalyptic number.

317087 is a deficient number, since it is larger than the sum of its proper divisors (1).

317087 is an equidigital number, since it uses as much as digits as its factorization.

317087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 317087 is about 563.1047859857. The cubic root of 317087 is about 68.1908565526.

The spelling of 317087 in words is "three hundred seventeen thousand, eighty-seven".