522528 has 24 divisors (see below), whose sum is σ = 1371888. Its totient is φ = 174144.

The previous prime is 522523. The next prime is 522541. The reversal of 522528 is 825225.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 522498 and 522507.

It is not an unprimeable number, because it can be changed into a prime (522521) by changing a digit.

522528 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 in 3 ways as a sum of consecutive naturals, for example, 2626 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (57162).

2⁵²²⁵²⁸ is an apocalyptic number.

It is an amenable number.

522528 is an abundant number, since it is smaller than the sum of its proper divisors (849360).

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

522528 is a wasteful number, since it uses less digits than its factorization.

522528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456 (or 5448 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 522528 is about 722.8609824856. The cubic root of 522528 is about 80.5446173196.

It can be divided in two parts, 5225 and 28, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 522528 in words is "five hundred twenty-two thousand, five hundred twenty-eight".