528785625 has 20 divisors (see below), whose sum is σ = 881030480. Its totient is φ = 282018000.

The previous prime is 528785591. The next prime is 528785633. The reversal of 528785625 is 526587825.

It is not a de Polignac number, because 528785625 - 2⁹ = 528785113 is a prime.

It is a super-2 number, since 2×528785625² = 559228474413281250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 139135 + ... + 142884.

It is an arithmetic number, because the mean of its divisors is an integer number (44051524).

Almost surely, 2^528785625 is an apocalyptic number.

It is an amenable number.

528785625 is a deficient number, since it is larger than the sum of its proper divisors (352244855).

528785625 is an equidigital number, since it uses as much as digits as its factorization.

528785625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282042 (or 282027 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 528785625 is about 22995.3392016730. The cubic root of 528785625 is about 808.6486765764.

The spelling of 528785625 in words is "five hundred twenty-eight million, seven hundred eighty-five thousand, six hundred twenty-five".