85024191 has 16 divisors (see below), whose sum is σ = 137182464. Its totient is φ = 45727104.

The previous prime is 85024171. The next prime is 85024217. The reversal of 85024191 is 19142058.

It is a happy number.

It is not a de Polignac number, because 85024191 - 2⁶ = 85024127 is a prime.

It is a super-2 number, since 2×85024191² = 14458226110408962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85024141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118725 + ... + 119438.

It is an arithmetic number, because the mean of its divisors is an integer number (8573904).

Almost surely, 2^85024191 is an apocalyptic number.

85024191 is a deficient number, since it is larger than the sum of its proper divisors (52158273).

85024191 is a wasteful number, since it uses less digits than its factorization.

85024191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238190.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 85024191 is about 9220.8563051378. The cubic root of 85024191 is about 439.7246745169.

The spelling of 85024191 in words is "eighty-five million, twenty-four thousand, one hundred ninety-one".