313717 has 2 divisors, whose sum is σ = 313718. Its totient is φ = 313716.

The previous prime is 313711. The next prime is 313721. The reversal of 313717 is 717313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285156 + 28561 = 534^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 313717 - 2⁷ = 313589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156858 + 156859.

It is an arithmetic number, because the mean of its divisors is an integer number (156859).

2³¹³⁷¹⁷ is an apocalyptic number.

It is an amenable number.

313717 is a deficient number, since it is larger than the sum of its proper divisors (1).

313717 is an equidigital number, since it uses as much as digits as its factorization.

313717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441, while the sum is 22.

The square root of 313717 is about 560.1044545440. The cubic root of 313717 is about 67.9484182063.

The spelling of 313717 in words is "three hundred thirteen thousand, seven hundred seventeen".