516317 has 4 divisors (see below), whose sum is σ = 518976. Its totient is φ = 513660.

The previous prime is 516293. The next prime is 516319. The reversal of 516317 is 713615.

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 516317 - 2⁶ = 516253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516292 and 516301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516319) 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, 1013 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (129744).

2⁵¹⁶³¹⁷ is an apocalyptic number.

It is an amenable number.

516317 is a deficient number, since it is larger than the sum of its proper divisors (2659).

516317 is a wasteful number, since it uses less digits than its factorization.

516317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658.

The product of its digits is 630, while the sum is 23.

The square root of 516317 is about 718.5520162104. The cubic root of 516317 is about 80.2242147597.

The spelling of 516317 in words is "five hundred sixteen thousand, three hundred seventeen".