85285485 has 12 divisors (see below), whose sum is σ = 147828252. Its totient is φ = 45485568.

The previous prime is 85285463. The next prime is 85285493. The reversal of 85285485 is 58458258.

85285485 is a `hidden beast` number, since 85 + 28 + 548 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 41447844 = 6621^2 + 6438^2 .

It is not a de Polignac number, because 85285485 - 2⁹ = 85284973 is a prime.

It is a super-2 number, since 2×85285485² = 14547227903370450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1895233 = 85285485 / (8 + 5 + 2 + 8 + 5 + 4 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85285485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 947572 + ... + 947661.

It is an arithmetic number, because the mean of its divisors is an integer number (12319021).

Almost surely, 2^85285485 is an apocalyptic number.

It is an amenable number.

85285485 is a deficient number, since it is larger than the sum of its proper divisors (62542767).

85285485 is a wasteful number, since it uses less digits than its factorization.

85285485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895244 (or 1895241 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 85285485 is about 9235.0140768707. The cubic root of 85285485 is about 440.1746637825.

The spelling of 85285485 in words is "eighty-five million, two hundred eighty-five thousand, four hundred eighty-five".