85065 has 16 divisors (see below), whose sum is σ = 139968. Its totient is φ = 44096.

The previous prime is 85061. The next prime is 85081. The reversal of 85065 is 56058.

It is not a de Polignac number, because 85065 - 2² = 85061 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (8748).

2⁸⁵⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

85065 is a deficient number, since it is larger than the sum of its proper divisors (54903).

85065 is a wasteful number, since it uses less digits than its factorization.

85065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 85065 is about 291.6590475195. The cubic root of 85065 is about 43.9795014710.

The spelling of 85065 in words is "eighty-five thousand, sixty-five".