85285153 has 4 divisors (see below), whose sum is σ = 85527108. Its totient is φ = 85043200.

The previous prime is 85285147. The next prime is 85285157. The reversal of 85285153 is 35158258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36397089 + 48888064 = 6033^2 + 6992^2 .

It is a cyclic number.

It is not a de Polignac number, because 85285153 - 2⁵ = 85285121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85285157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120448 + ... + 121153.

It is an arithmetic number, because the mean of its divisors is an integer number (21381777).

Almost surely, 2^85285153 is an apocalyptic number.

It is an amenable number.

85285153 is a deficient number, since it is larger than the sum of its proper divisors (241955).

85285153 is a wasteful number, since it uses less digits than its factorization.

85285153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241954.

The product of its digits is 48000, while the sum is 37.

The square root of 85285153 is about 9234.9961017859. The cubic root of 85285153 is about 440.1740926099.

The spelling of 85285153 in words is "eighty-five million, two hundred eighty-five thousand, one hundred fifty-three".