528646825 has 24 divisors (see below), whose sum is σ = 767450880. Its totient is φ = 353654400.

The previous prime is 528646793. The next prime is 528646847.

528646825 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 528646825 - 2⁵ = 528646793 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 29665 + ... + 44014.

It is an arithmetic number, because the mean of its divisors is an integer number (31977120).

Almost surely, 2^528646825 is an apocalyptic number.

It is an amenable number.

528646825 is a deficient number, since it is larger than the sum of its proper divisors (238804055).

528646825 is a wasteful number, since it uses less digits than its factorization.

528646825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73737 (or 73732 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 528646825 is about 22992.3210007167. The cubic root of 528646825 is about 808.5779167997.

The spelling of 528646825 in words is "five hundred twenty-eight million, six hundred forty-six thousand, eight hundred twenty-five".