528285 has 16 divisors (see below), whose sum is σ = 866880. Its totient is φ = 274560.

The previous prime is 528263. The next prime is 528289. The reversal of 528285 is 582825.

528285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 528285 - 2¹² = 524189 is a prime.

528285 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 528285.

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

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (54180).

2⁵²⁸²⁸⁵ is an apocalyptic number.

It is an amenable number.

528285 is a deficient number, since it is larger than the sum of its proper divisors (338595).

528285 is a wasteful number, since it uses less digits than its factorization.

528285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its digits is 6400, while the sum is 30.

The square root of 528285 is about 726.8321676976. The cubic root of 528285 is about 80.8393401377.

The spelling of 528285 in words is "five hundred twenty-eight thousand, two hundred eighty-five".