522304 has 14 divisors (see below), whose sum is σ = 1036574. Its totient is φ = 261120.

The previous prime is 522289. The next prime is 522317. The reversal of 522304 is 403225.

It can be written as a sum of positive squares in only one way, i.e., 419904 + 102400 = 648^2 + 320^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

522304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (74041).

2⁵²²³⁰⁴ is an apocalyptic number.

It is an amenable number.

522304 is a deficient number, since it is larger than the sum of its proper divisors (514270).

522304 is an equidigital number, since it uses as much as digits as its factorization.

522304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173 (or 8163 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 522304 is about 722.7060259884. The cubic root of 522304 is about 80.5331062471.

Adding to 522304 its reverse (403225), we get a palindrome (925529).

The spelling of 522304 in words is "five hundred twenty-two thousand, three hundred four".