522813 has 8 divisors (see below), whose sum is σ = 727488. Its totient is φ = 333344.

The previous prime is 522811. The next prime is 522827. The reversal of 522813 is 318225.

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 522813 - 2¹ = 522811 is a prime.

It is a d-powerful number, because it can be written as 5⁸ + 2¹⁰ + 8² + 2¹⁷ + 1 + 3³ .

It is a self number, because there is not a number n which added to its sum of digits gives 522813.

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, 3720 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (90936).

2⁵²²⁸¹³ is an apocalyptic number.

It is an amenable number.

522813 is a deficient number, since it is larger than the sum of its proper divisors (204675).

522813 is a wasteful number, since it uses less digits than its factorization.

522813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603.

The product of its digits is 480, while the sum is 21.

The square root of 522813 is about 723.0580889527. The cubic root of 522813 is about 80.5592583492.

The spelling of 522813 in words is "five hundred twenty-two thousand, eight hundred thirteen".