85320153 has 24 divisors (see below), whose sum is σ = 128494080. Its totient is φ = 54492480.

The previous prime is 85320121. The next prime is 85320163. The reversal of 85320153 is 35102358.

It is not a de Polignac number, because 85320153 - 2⁵ = 85320121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85320163) 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, 27253 + ... + 30221.

It is an arithmetic number, because the mean of its divisors is an integer number (5353920).

Almost surely, 2^85320153 is an apocalyptic number.

It is an amenable number.

85320153 is a deficient number, since it is larger than the sum of its proper divisors (43173927).

85320153 is a wasteful number, since it uses less digits than its factorization.

85320153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 85320153 is about 9236.8908730157. The cubic root of 85320153 is about 440.2342984241.

The spelling of 85320153 in words is "eighty-five million, three hundred twenty thousand, one hundred fifty-three".