516855 has 8 divisors (see below), whose sum is σ = 826992. Its totient is φ = 275648.

The previous prime is 516847. The next prime is 516871. The reversal of 516855 is 558615.

It is a happy number.

516855 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 516855 - 2³ = 516847 is a prime.

516855 is strictly pandigital in base 7.

516855 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent 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, 17214 + ... + 17243.

It is an arithmetic number, because the mean of its divisors is an integer number (103374).

2⁵¹⁶⁸⁵⁵ is an apocalyptic number.

516855 is a deficient number, since it is larger than the sum of its proper divisors (310137).

516855 is a wasteful number, since it uses less digits than its factorization.

516855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34465.

The product of its digits is 6000, while the sum is 30.

The square root of 516855 is about 718.9262827300. The cubic root of 516855 is about 80.2520695112.

The spelling of 516855 in words is "five hundred sixteen thousand, eight hundred fifty-five".