522880 has 64 divisors (see below), whose sum is σ = 1346400. Its totient is φ = 193536.

The previous prime is 522871. The next prime is 522881. The reversal of 522880 is 88225.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522881) 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, 12139 + ... + 12181.

2⁵²²⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673200).

522880 is an abundant number, since it is smaller than the sum of its proper divisors (823520).

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

522880 is a wasteful number, since it uses less digits than its factorization.

522880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 522880 is about 723.1044184625. The cubic root of 522880 is about 80.5626995030.

The spelling of 522880 in words is "five hundred twenty-two thousand, eight hundred eighty".