85528925 has 6 divisors (see below), whose sum is σ = 106055898. Its totient is φ = 68423120.

The previous prime is 85528913. The next prime is 85528931. The reversal of 85528925 is 52982558.

It can be written as a sum of positive squares in 3 ways, for example, as 11792356 + 73736569 = 3434^2 + 8587^2 .

It is not a de Polignac number, because 85528925 - 2²⁰ = 84480349 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1710554 + ... + 1710603.

It is an arithmetic number, because the mean of its divisors is an integer number (17675983).

Almost surely, 2^85528925 is an apocalyptic number.

It is an amenable number.

85528925 is a deficient number, since it is larger than the sum of its proper divisors (20526973).

85528925 is a wasteful number, since it uses less digits than its factorization.

85528925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421167 (or 3421162 counting only the distinct ones).

The product of its digits is 288000, while the sum is 44.

The square root of 85528925 is about 9248.1849570605. The cubic root of 85528925 is about 440.5930793569.

The spelling of 85528925 in words is "eighty-five million, five hundred twenty-eight thousand, nine hundred twenty-five".