528280 has 32 divisors (see below), whose sum is σ = 1218240. Its totient is φ = 206080.

The previous prime is 528263. The next prime is 528289. The reversal of 528280 is 82825.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528289) by changing a digit.

528280 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 7 ways as a sum of consecutive naturals, for example, 1740 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (38070).

2⁵²⁸²⁸⁰ 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 528280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609120).

528280 is an abundant number, since it is smaller than the sum of its proper divisors (689960).

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

528280 is a wasteful number, since it uses less digits than its factorization.

528280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 335 counting only the distinct ones).

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

The square root of 528280 is about 726.8287281059. The cubic root of 528280 is about 80.8390850999.

It can be divided in two parts, 528 and 280, that added together give a palindrome (808).

The spelling of 528280 in words is "five hundred twenty-eight thousand, two hundred eighty".