8500065 has 16 divisors (see below), whose sum is σ = 15543168. Its totient is φ = 3885696.

The previous prime is 8500061. The next prime is 8500067. The reversal of 8500065 is 5600058.

It is not a de Polignac number, because 8500065 - 2² = 8500061 is a prime.

It is a super-2 number, since 2×8500065² = 144502210008450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8500061) 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, 40372 + ... + 40581.

It is an arithmetic number, because the mean of its divisors is an integer number (971448).

Almost surely, 2^8500065 is an apocalyptic number.

It is an amenable number.

8500065 is a deficient number, since it is larger than the sum of its proper divisors (7043103).

8500065 is a wasteful number, since it uses less digits than its factorization.

8500065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80968.

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

The square root of 8500065 is about 2915.4870948094. The cubic root of 8500065 is about 204.0832753055.

The spelling of 8500065 in words is "eight million, five hundred thousand, sixty-five".