85125897 has 40 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 54756000.

The previous prime is 85125889. The next prime is 85125899. The reversal of 85125897 is 79852158.

It is a happy number.

It is not a de Polignac number, because 85125897 - 2³ = 85125889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85125899) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 339022 + ... + 339272.

It is an arithmetic number, because the mean of its divisors is an integer number (3293136).

Almost surely, 2^85125897 is an apocalyptic number.

It is an amenable number.

85125897 is a deficient number, since it is larger than the sum of its proper divisors (46599543).

85125897 is a wasteful number, since it uses less digits than its factorization.

85125897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 386 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 85125897 is about 9226.3696544199. The cubic root of 85125897 is about 439.8999376455.

The spelling of 85125897 in words is "eighty-five million, one hundred twenty-five thousand, eight hundred ninety-seven".