613499317 has 2 divisors, whose sum is σ = 613499318. Its totient is φ = 613499316.

The previous prime is 613499297. The next prime is 613499333. The reversal of 613499317 is 713994316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 587141361 + 26357956 = 24231^2 + 5134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613499317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613499357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306749658 + 306749659.

It is an arithmetic number, because the mean of its divisors is an integer number (306749659).

Almost surely, 2^613499317 is an apocalyptic number.

It is an amenable number.

613499317 is a deficient number, since it is larger than the sum of its proper divisors (1).

613499317 is an equidigital number, since it uses as much as digits as its factorization.

613499317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 613499317 is about 24768.9183655645. The cubic root of 613499317 is about 849.7112361677.

The spelling of 613499317 in words is "six hundred thirteen million, four hundred ninety-nine thousand, three hundred seventeen".