522861 has 8 divisors (see below), whose sum is σ = 733920. Its totient is φ = 330192.

The previous prime is 522857. The next prime is 522871. The reversal of 522861 is 168225.

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

It is not a de Polignac number, because 522861 - 2² = 522857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522811) 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, 4530 + ... + 4643.

It is an arithmetic number, because the mean of its divisors is an integer number (91740).

2⁵²²⁸⁶¹ is an apocalyptic number.

It is an amenable number.

522861 is a deficient number, since it is larger than the sum of its proper divisors (211059).

522861 is a wasteful number, since it uses less digits than its factorization.

522861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195.

The product of its digits is 960, while the sum is 24.

The square root of 522861 is about 723.0912805449. The cubic root of 522861 is about 80.5617236832.

The spelling of 522861 in words is "five hundred twenty-two thousand, eight hundred sixty-one".