613659317 has 2 divisors, whose sum is σ = 613659318. Its totient is φ = 613659316.

The previous prime is 613659313. The next prime is 613659367. The reversal of 613659317 is 713956316.

613659317 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., 603635761 + 10023556 = 24569^2 + 3166^2 .

It is a cyclic number.

It is not a de Polignac number, because 613659317 - 2² = 613659313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613659313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306829658 + 306829659.

It is an arithmetic number, because the mean of its divisors is an integer number (306829659).

Almost surely, 2^613659317 is an apocalyptic number.

It is an amenable number.

613659317 is a deficient number, since it is larger than the sum of its proper divisors (1).

613659317 is an equidigital number, since it uses as much as digits as its factorization.

613659317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 613659317 is about 24772.1480094077. The cubic root of 613659317 is about 849.7850976901.

The spelling of 613659317 in words is "six hundred thirteen million, six hundred fifty-nine thousand, three hundred seventeen".