85318653 has 24 divisors (see below), whose sum is σ = 132723360. Its totient is φ = 48609120.

The previous prime is 85318643. The next prime is 85318669. The reversal of 85318653 is 35681358.

It is not a de Polignac number, because 85318653 - 2⁴ = 85318637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85318643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67138 + ... + 68396.

It is an arithmetic number, because the mean of its divisors is an integer number (5530140).

Almost surely, 2^85318653 is an apocalyptic number.

It is an amenable number.

85318653 is a deficient number, since it is larger than the sum of its proper divisors (47404707).

85318653 is a wasteful number, since it uses less digits than its factorization.

85318653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1730 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 85318653 is about 9236.8096765063. The cubic root of 85318653 is about 440.2317185127.

The spelling of 85318653 in words is "eighty-five million, three hundred eighteen thousand, six hundred fifty-three".