850065 has 8 divisors (see below), whose sum is σ = 1360128. Its totient is φ = 453360.

The previous prime is 850063. The next prime is 850081. The reversal of 850065 is 560058.

850065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 850065 - 2¹ = 850063 is a prime.

It is a super-2 number, since 2×850065² = 1445221008450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (850061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28321 + ... + 28350.

It is an arithmetic number, because the mean of its divisors is an integer number (170016).

2⁸⁵⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

850065 is a deficient number, since it is larger than the sum of its proper divisors (510063).

850065 is a wasteful number, since it uses less digits than its factorization.

850065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56679.

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

The square root of 850065 is about 921.9896962548. The cubic root of 850065 is about 94.7292382624.

The spelling of 850065 in words is "eight hundred fifty thousand, sixty-five".