85258524 has 48 divisors (see below), whose sum is σ = 214855200. Its totient is φ = 26158080.

The previous prime is 85258501. The next prime is 85258531. The reversal of 85258524 is 42585258.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80752 + ... + 81800.

It is an arithmetic number, because the mean of its divisors is an integer number (4476150).

Almost surely, 2^85258524 is an apocalyptic number.

It is an amenable number.

85258524 is an abundant number, since it is smaller than the sum of its proper divisors (129596676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85258524 is a wasteful number, since it uses less digits than its factorization.

85258524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1588 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 85258524 is about 9233.5542452514. The cubic root of 85258524 is about 440.1282752718.

The spelling of 85258524 in words is "eighty-five million, two hundred fifty-eight thousand, five hundred twenty-four".