516305 has 8 divisors (see below), whose sum is σ = 639744. Its totient is φ = 399600.

The previous prime is 516293. The next prime is 516319. The reversal of 516305 is 503615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 516305 - 2⁸ = 516049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (79968).

2⁵¹⁶³⁰⁵ is an apocalyptic number.

It is an amenable number.

516305 is a deficient number, since it is larger than the sum of its proper divisors (123439).

516305 is a wasteful number, since it uses less digits than its factorization.

516305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 516305 is about 718.5436660357. The cubic root of 516305 is about 80.2235932436.

The spelling of 516305 in words is "five hundred sixteen thousand, three hundred five".