85465 has 4 divisors (see below), whose sum is σ = 102564. Its totient is φ = 68368.

The previous prime is 85453. The next prime is 85469. The reversal of 85465 is 56458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56458 = 2 ⋅28229.

It can be written as a sum of positive squares in 2 ways, for example, as 38809 + 46656 = 197^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 85465 - 2¹¹ = 83417 is a prime.

It is a Duffinian number.

85465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (85469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8542 + ... + 8551.

It is an arithmetic number, because the mean of its divisors is an integer number (25641).

2⁸⁵⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

85465 is a deficient number, since it is larger than the sum of its proper divisors (17099).

85465 is a wasteful number, since it uses less digits than its factorization.

85465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098.

The product of its digits is 4800, while the sum is 28.

The square root of 85465 is about 292.3439754809. The cubic root of 85465 is about 44.0483284406.

It can be divided in two parts, 854 and 65, that added together give a palindrome (919).

The spelling of 85465 in words is "eighty-five thousand, four hundred sixty-five".