522930 has 16 divisors (see below), whose sum is σ = 1255104. Its totient is φ = 139440.

The previous prime is 522919. The next prime is 522943. The reversal of 522930 is 39225.

It is a junction number, because it is equal to n+sod(n) for n = 522897 and 522906.

It is an unprimeable number.

522930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8686 + ... + 8745.

It is an arithmetic number, because the mean of its divisors is an integer number (78444).

2⁵²²⁹³⁰ is an apocalyptic number.

522930 is an abundant number, since it is smaller than the sum of its proper divisors (732174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522930 is a wasteful number, since it uses less digits than its factorization.

522930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17441.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 522930 is about 723.1389907895. The cubic root of 522930 is about 80.5652673366.

The spelling of 522930 in words is "five hundred twenty-two thousand, nine hundred thirty".