85501273 has 16 divisors (see below), whose sum is σ = 105739200. Its totient is φ = 67970880.

The previous prime is 85501259. The next prime is 85501301. The reversal of 85501273 is 37210558.

It is a cyclic number.

It is not a de Polignac number, because 85501273 - 2⁹ = 85500761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85501223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13018 + ... + 18451.

It is an arithmetic number, because the mean of its divisors is an integer number (6608700).

Almost surely, 2^85501273 is an apocalyptic number.

It is an amenable number.

85501273 is a deficient number, since it is larger than the sum of its proper divisors (20237927).

85501273 is a wasteful number, since it uses less digits than its factorization.

85501273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31512.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 85501273 is about 9246.6898401536. The cubic root of 85501273 is about 440.5455921353.

The spelling of 85501273 in words is "eighty-five million, five hundred one thousand, two hundred seventy-three".