85248585 has 16 divisors (see below), whose sum is σ = 151553280. Its totient is φ = 45465840.

The previous prime is 85248577. The next prime is 85248593. The reversal of 85248585 is 58584258.

It is an interprime number because it is at equal distance from previous prime (85248577) and next prime (85248593).

It is not a de Polignac number, because 85248585 - 2³ = 85248577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85248585.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 315601 + ... + 315870.

It is an arithmetic number, because the mean of its divisors is an integer number (9472080).

Almost surely, 2^85248585 is an apocalyptic number.

It is an amenable number.

85248585 is a deficient number, since it is larger than the sum of its proper divisors (66304695).

85248585 is a wasteful number, since it uses less digits than its factorization.

85248585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631485 (or 631479 counting only the distinct ones).

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

The square root of 85248585 is about 9233.0160294456. The cubic root of 85248585 is about 440.1111719774. Note that the first 4 decimals are identical.

The spelling of 85248585 in words is "eighty-five million, two hundred forty-eight thousand, five hundred eighty-five".