528055025 has 6 divisors (see below), whose sum is σ = 654788262. Its totient is φ = 422444000.

The previous prime is 528055019. The next prime is 528055027. The reversal of 528055025 is 520550825.

It can be written as a sum of positive squares in 3 ways, for example, as 6754801 + 521300224 = 2599^2 + 22832^2 .

It is not a de Polignac number, because 528055025 - 2²² = 523860721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 528054982 and 528055000.

It is not an unprimeable number, because it can be changed into a prime (528055027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10561076 + ... + 10561125.

It is an arithmetic number, because the mean of its divisors is an integer number (109131377).

Almost surely, 2^528055025 is an apocalyptic number.

It is an amenable number.

528055025 is a deficient number, since it is larger than the sum of its proper divisors (126733237).

528055025 is a wasteful number, since it uses less digits than its factorization.

528055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122211 (or 21122206 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 528055025 is about 22979.4478828365. The cubic root of 528055025 is about 808.2760800724.

The spelling of 528055025 in words is "five hundred twenty-eight million, fifty-five thousand, twenty-five".