522613 has 8 divisors (see below), whose sum is σ = 643328. Its totient is φ = 413424.

The previous prime is 522601. The next prime is 522623. The reversal of 522613 is 316225.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522623) 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, 2781 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (80416).

2⁵²²⁶¹³ is an apocalyptic number.

It is an amenable number.

522613 is a deficient number, since it is larger than the sum of its proper divisors (120715).

522613 is a wasteful number, since it uses less digits than its factorization.

522613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763.

The product of its digits is 360, while the sum is 19.

The square root of 522613 is about 722.9197742488. The cubic root of 522613 is about 80.5489844995.

Adding to 522613 its reverse (316225), we get a palindrome (838838).

The spelling of 522613 in words is "five hundred twenty-two thousand, six hundred thirteen".