605317 has 4 divisors (see below), whose sum is σ = 626220. Its totient is φ = 584416.

The previous prime is 605309. The next prime is 605323. The reversal of 605317 is 713506.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 256036 + 349281 = 506^2 + 591^2 .

It is a cyclic number.

It is not a de Polignac number, because 605317 - 2³ = 605309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10408 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (156555).

2⁶⁰⁵³¹⁷ is an apocalyptic number.

It is an amenable number.

605317 is a deficient number, since it is larger than the sum of its proper divisors (20903).

605317 is a wasteful number, since it uses less digits than its factorization.

605317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 605317 is about 778.0212079372. The cubic root of 605317 is about 84.5916748361.

The spelling of 605317 in words is "six hundred five thousand, three hundred seventeen".