717317 has 2 divisors, whose sum is σ = 717318. Its totient is φ = 717316.

The previous prime is 717293. The next prime is 717323. The reversal of 717317 is 713717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556516 + 160801 = 746^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 717317 - 2¹⁴ = 700933 is a prime.

It is a Chen prime.

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 717317.

It is not a weakly prime, because it can be changed into another prime (717397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358658 + 358659.

It is an arithmetic number, because the mean of its divisors is an integer number (358659).

2⁷¹⁷³¹⁷ is an apocalyptic number.

It is an amenable number.

717317 is a deficient number, since it is larger than the sum of its proper divisors (1).

717317 is an equidigital number, since it uses as much as digits as its factorization.

717317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1029, while the sum is 26.

The square root of 717317 is about 846.9456889317. The cubic root of 717317 is about 89.5166266459.

Subtracting from 717317 its reverse (713717), we obtain a square (3600 = 60²).

The spelling of 717317 in words is "seven hundred seventeen thousand, three hundred seventeen", and thus it is an iban number.