528808825 has 12 divisors (see below), whose sum is σ = 668096748. Its totient is φ = 415064000.

The previous prime is 528808811. The next prime is 528808859.

528808825 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 27541504 + 501267321 = 5248^2 + 22389^2 .

It is not a de Polignac number, because 528808825 - 2⁵ = 528808793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198226 + ... + 200875.

It is an arithmetic number, because the mean of its divisors is an integer number (55674729).

Almost surely, 2^528808825 is an apocalyptic number.

It is an amenable number.

528808825 is a deficient number, since it is larger than the sum of its proper divisors (139287923).

528808825 is a wasteful number, since it uses less digits than its factorization.

528808825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399164 (or 399159 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 46.

The square root of 528808825 is about 22995.8436461896. The cubic root of 528808825 is about 808.6605026511.

The spelling of 528808825 in words is "five hundred twenty-eight million, eight hundred eight thousand, eight hundred twenty-five".