528025 has 6 divisors (see below), whose sum is σ = 654782. Its totient is φ = 422400.

The previous prime is 528013. The next prime is 528041. The reversal of 528025 is 520825.

It can be written as a sum of positive squares in 3 ways, for example, as 69696 + 458329 = 264^2 + 677^2 .

It is not a de Polignac number, because 528025 - 2⁵ = 527993 is a prime.

It is a Duffinian number.

528025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 527987 and 528005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10536 + ... + 10585.

2⁵²⁸⁰²⁵ is an apocalyptic number.

It is an amenable number.

528025 is a deficient number, since it is larger than the sum of its proper divisors (126757).

528025 is a wasteful number, since it uses less digits than its factorization.

528025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21131 (or 21126 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 528025 is about 726.6532873386. The cubic root of 528025 is about 80.8260760363.

Adding to 528025 its product of nonzero digits (800), we get a palindrome (528825).

The spelling of 528025 in words is "five hundred twenty-eight thousand, twenty-five".