36565 has 8 divisors (see below), whose sum is σ = 44928. Its totient is φ = 28560.

The previous prime is 36563. The next prime is 36571. The reversal of 36565 is 56563.

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

It is not a de Polignac number, because 36565 - 2¹ = 36563 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36563) 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, 304 + ... + 406.

It is an arithmetic number, because the mean of its divisors is an integer number (5616).

2³⁶⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

36565 is a deficient number, since it is larger than the sum of its proper divisors (8363).

36565 is a wasteful number, since it uses less digits than its factorization.

36565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its digits is 2700, while the sum is 25.

The square root of 36565 is about 191.2197688525. The cubic root of 36565 is about 33.1911163147.

The spelling of 36565 in words is "thirty-six thousand, five hundred sixty-five".