39317 has 2 divisors, whose sum is σ = 39318. Its totient is φ = 39316.

The previous prime is 39313. The next prime is 39323. The reversal of 39317 is 71393.

39317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37636 + 1681 = 194^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 39317 - 2² = 39313 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 39292 and 39301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19658 + 19659.

It is an arithmetic number, because the mean of its divisors is an integer number (19659).

2³⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

39317 is a deficient number, since it is larger than the sum of its proper divisors (1).

39317 is an equidigital number, since it uses as much as digits as its factorization.

39317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567, while the sum is 23.

The square root of 39317 is about 198.2851482083. The cubic root of 39317 is about 34.0037481450.

Adding to 39317 its sum of digits (23), we get a triangular number (39340 = T₂₈₀).

The spelling of 39317 in words is "thirty-nine thousand, three hundred seventeen".