317693 has 2 divisors, whose sum is σ = 317694. Its totient is φ = 317692.

The previous prime is 317671. The next prime is 317701. The reversal of 317693 is 396713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315844 + 1849 = 562^2 + 43^2 .

It is an emirp because it is prime and its reverse (396713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317693 - 2⁸ = 317437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158846 + 158847.

It is an arithmetic number, because the mean of its divisors is an integer number (158847).

2³¹⁷⁶⁹³ is an apocalyptic number.

It is an amenable number.

317693 is a deficient number, since it is larger than the sum of its proper divisors (1).

317693 is an equidigital number, since it uses as much as digits as its factorization.

317693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 29.

The square root of 317693 is about 563.6426172674. The cubic root of 317693 is about 68.2342698344.

The spelling of 317693 in words is "three hundred seventeen thousand, six hundred ninety-three".