522085 has 4 divisors (see below), whose sum is σ = 626508. Its totient is φ = 417664.

The previous prime is 522083. The next prime is 522113. The reversal of 522085 is 580225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 388129 = 366^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 522085 - 2¹ = 522083 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522083) 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, 52204 + ... + 52213.

It is an arithmetic number, because the mean of its divisors is an integer number (156627).

2⁵²²⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

522085 is a deficient number, since it is larger than the sum of its proper divisors (104423).

522085 is a wasteful number, since it uses less digits than its factorization.

522085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104422.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 522085 is about 722.5544962146. The cubic root of 522085 is about 80.5218489360.

The spelling of 522085 in words is "five hundred twenty-two thousand, eighty-five".