36018065 has 4 divisors (see below), whose sum is σ = 43221684. Its totient is φ = 28814448.

The previous prime is 36018011. The next prime is 36018067. The reversal of 36018065 is 56081063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56081063 = 1627 ⋅34469.

It can be written as a sum of positive squares in 2 ways, for example, as 11505664 + 24512401 = 3392^2 + 4951^2 .

It is a cyclic number.

It is not a de Polignac number, because 36018065 - 2⁸ = 36017809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36018067) 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, 3601802 + ... + 3601811.

It is an arithmetic number, because the mean of its divisors is an integer number (10805421).

Almost surely, 2^36018065 is an apocalyptic number.

It is an amenable number.

36018065 is a deficient number, since it is larger than the sum of its proper divisors (7203619).

36018065 is an equidigital number, since it uses as much as digits as its factorization.

36018065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203618.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 36018065 is about 6001.5052278574. The cubic root of 36018065 is about 330.2479465016.

The spelling of 36018065 in words is "thirty-six million, eighteen thousand, sixty-five".