522681 has 8 divisors (see below), whose sum is σ = 708960. Its totient is φ = 342432.

The previous prime is 522679. The next prime is 522689. The reversal of 522681 is 186225.

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

It is not a de Polignac number, because 522681 - 2¹ = 522679 is a prime.

It is a super-2 number, since 2×522681² = 546390855522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522689) 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, 1300 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (88620).

2⁵²²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

522681 is a deficient number, since it is larger than the sum of its proper divisors (186279).

522681 is a wasteful number, since it uses less digits than its factorization.

522681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015.

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

The square root of 522681 is about 722.9668042172. The cubic root of 522681 is about 80.5524779024.

The spelling of 522681 in words is "five hundred twenty-two thousand, six hundred eighty-one".