85265 has 4 divisors (see below), whose sum is σ = 102324. Its totient is φ = 68208.

The previous prime is 85259. The next prime is 85297. The reversal of 85265 is 56258.

It is a Cunningham number, because it is equal to 292²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30976 + 54289 = 176^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 85265 - 2⁶ = 85201 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85265.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8522 + ... + 8531.

It is an arithmetic number, because the mean of its divisors is an integer number (25581).

2⁸⁵²⁶⁵ is an apocalyptic number.

It is an amenable number.

85265 is a deficient number, since it is larger than the sum of its proper divisors (17059).

85265 is a wasteful number, since it uses less digits than its factorization.

85265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17058.

The product of its digits is 2400, while the sum is 26.

The square root of 85265 is about 292.0017123237. The cubic root of 85265 is about 44.0139418629.

The spelling of 85265 in words is "eighty-five thousand, two hundred sixty-five".