85259825 has 24 divisors (see below), whose sum is σ = 121450560. Its totient is φ = 58161600.

The previous prime is 85259809. The next prime is 85259843. The reversal of 85259825 is 52895258.

It is not a de Polignac number, because 85259825 - 2⁴ = 85259809 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35771 + ... + 38079.

It is an arithmetic number, because the mean of its divisors is an integer number (5060440).

Almost surely, 2^85259825 is an apocalyptic number.

It is an amenable number.

85259825 is a deficient number, since it is larger than the sum of its proper divisors (36190735).

85259825 is a wasteful number, since it uses less digits than its factorization.

85259825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2532 counting only the distinct ones).

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

The square root of 85259825 is about 9233.6246945606. The cubic root of 85259825 is about 440.1305139687.

The spelling of 85259825 in words is "eighty-five million, two hundred fifty-nine thousand, eight hundred twenty-five".