516863 has 4 divisors (see below), whose sum is σ = 533568. Its totient is φ = 500160.

The previous prime is 516847. The next prime is 516871. The reversal of 516863 is 368615.

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

It is a cyclic number.

It is not a de Polignac number, because 516863 - 2⁴ = 516847 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 (516883) 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, 8306 + ... + 8367.

It is an arithmetic number, because the mean of its divisors is an integer number (133392).

2⁵¹⁶⁸⁶³ is an apocalyptic number.

516863 is a deficient number, since it is larger than the sum of its proper divisors (16705).

516863 is a wasteful number, since it uses less digits than its factorization.

516863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16704.

The product of its digits is 4320, while the sum is 29.

The square root of 516863 is about 718.9318465613. The cubic root of 516863 is about 80.2524835623.

The spelling of 516863 in words is "five hundred sixteen thousand, eight hundred sixty-three".