522315 has 32 divisors (see below), whose sum is σ = 959040. Its totient is φ = 269568.

The previous prime is 522289. The next prime is 522317. The reversal of 522315 is 513225.

It is a happy number.

522315 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 522315 - 2⁵ = 522283 is a prime.

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522315.

It is not an unprimeable number, because it can be changed into a prime (522317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7119 + ... + 7191.

It is an arithmetic number, because the mean of its divisors is an integer number (29970).

2⁵²²³¹⁵ is an apocalyptic number.

522315 is a deficient number, since it is larger than the sum of its proper divisors (436725).

522315 is a wasteful number, since it uses less digits than its factorization.

522315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 522315 is about 722.7136362350. The cubic root of 522315 is about 80.5336715998.

The spelling of 522315 in words is "five hundred twenty-two thousand, three hundred fifteen".