528497285 has 8 divisors (see below), whose sum is σ = 636363000. Its totient is φ = 421353664.

The previous prime is 528497261. The next prime is 528497323. The reversal of 528497285 is 582794825.

528497285 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 299913124 + 228584161 = 17318^2 + 15119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528497285 - 2²⁰ = 527448709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178910 + ... + 181839.

It is an arithmetic number, because the mean of its divisors is an integer number (79545375).

Almost surely, 2^528497285 is an apocalyptic number.

It is an amenable number.

528497285 is a deficient number, since it is larger than the sum of its proper divisors (107865715).

528497285 is a wasteful number, since it uses less digits than its factorization.

528497285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361047.

The product of its digits is 1612800, while the sum is 50.

The square root of 528497285 is about 22989.0688154175. The cubic root of 528497285 is about 808.5016679451.

The spelling of 528497285 in words is "five hundred twenty-eight million, four hundred ninety-seven thousand, two hundred eighty-five".