85225527 has 20 divisors (see below), whose sum is σ = 130278280. Its totient is φ = 55493424.

The previous prime is 85225513. The next prime is 85225571. The reversal of 85225527 is 72552258.

85225527 is a `hidden beast` number, since 85 + 22 + 552 + 7 = 666.

It is not a de Polignac number, because 85225527 - 2⁶ = 85225463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85225491 and 85225500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85225027) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8752 + ... + 15717.

It is an arithmetic number, because the mean of its divisors is an integer number (6513914).

Almost surely, 2^85225527 is an apocalyptic number.

85225527 is a deficient number, since it is larger than the sum of its proper divisors (45052753).

85225527 is a wasteful number, since it uses less digits than its factorization.

85225527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24524 (or 24515 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 85225527 is about 9231.7672739297. The cubic root of 85225527 is about 440.0714880402.

The spelling of 85225527 in words is "eighty-five million, two hundred twenty-five thousand, five hundred twenty-seven".