617317 has 4 divisors (see below), whose sum is σ = 627840. Its totient is φ = 606796.

The previous prime is 617311. The next prime is 617327. The reversal of 617317 is 713716.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 617317 - 2⁷ = 617189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 617291 and 617300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5173 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (156960).

2⁶¹⁷³¹⁷ is an apocalyptic number.

It is an amenable number.

617317 is a deficient number, since it is larger than the sum of its proper divisors (10523).

617317 is a wasteful number, since it uses less digits than its factorization.

617317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522.

The product of its digits is 882, while the sum is 25.

The square root of 617317 is about 785.6952335352. The cubic root of 617317 is about 85.1470120243.

The spelling of 617317 in words is "six hundred seventeen thousand, three hundred seventeen".