516813 has 8 divisors (see below), whose sum is σ = 751776. Its totient is φ = 313200.

The previous prime is 516811. The next prime is 516821. The reversal of 516813 is 318615.

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

It is not a de Polignac number, because 516813 - 2¹ = 516811 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7798 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (93972).

2⁵¹⁶⁸¹³ is an apocalyptic number.

It is an amenable number.

516813 is a deficient number, since it is larger than the sum of its proper divisors (234963).

516813 is a wasteful number, since it uses less digits than its factorization.

516813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15675.

The product of its digits is 720, while the sum is 24.

The square root of 516813 is about 718.8970719095. The cubic root of 516813 is about 80.2498956725.

The spelling of 516813 in words is "five hundred sixteen thousand, eight hundred thirteen".