85258542 has 8 divisors (see below), whose sum is σ = 170517096. Its totient is φ = 28419512.

The previous prime is 85258531. The next prime is 85258543. The reversal of 85258542 is 24585258.

It is a sphenic number, since it is the product of 3 distinct primes.

85258542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 85258542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85258543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7104873 + ... + 7104884.

It is an arithmetic number, because the mean of its divisors is an integer number (21314637).

Almost surely, 2^85258542 is an apocalyptic number.

85258542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85258542 is a wasteful number, since it uses less digits than its factorization.

85258542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14209762.

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

The square root of 85258542 is about 9233.5552199573. Note that the first 3 decimals coincide. The cubic root of 85258542 is about 440.1283062455.

The spelling of 85258542 in words is "eighty-five million, two hundred fifty-eight thousand, five hundred forty-two".