85451575 has 12 divisors (see below), whose sum is σ = 115593048. Its totient is φ = 62146400.

The previous prime is 85451573. The next prime is 85451627. The reversal of 85451575 is 57515458.

It is a happy number.

It is not a de Polignac number, because 85451575 - 2¹ = 85451573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85451573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155092 + ... + 155641.

It is an arithmetic number, because the mean of its divisors is an integer number (9632754).

Almost surely, 2^85451575 is an apocalyptic number.

85451575 is a deficient number, since it is larger than the sum of its proper divisors (30141473).

85451575 is a wasteful number, since it uses less digits than its factorization.

85451575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310754 (or 310749 counting only the distinct ones).

The product of its digits is 140000, while the sum is 40.

The square root of 85451575 is about 9244.0021094762. The cubic root of 85451575 is about 440.4602192222.

The spelling of 85451575 in words is "eighty-five million, four hundred fifty-one thousand, five hundred seventy-five".