36536865 has 32 divisors (see below), whose sum is σ = 60341376. Its totient is φ = 18869760.

The previous prime is 36536861. The next prime is 36536873. The reversal of 36536865 is 56863563.

It is not a de Polignac number, because 36536865 - 2² = 36536861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36536861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66522 + ... + 67068.

It is an arithmetic number, because the mean of its divisors is an integer number (1885668).

Almost surely, 2^36536865 is an apocalyptic number.

It is an amenable number.

36536865 is a deficient number, since it is larger than the sum of its proper divisors (23804511).

36536865 is a wasteful number, since it uses less digits than its factorization.

36536865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its digits is 388800, while the sum is 42.

The square root of 36536865 is about 6044.5731859247. The cubic root of 36536865 is about 331.8260114383.

It can be divided in two parts, 36536 and 865, that added together give a triangular number (37401 = T₂₇₃).

The spelling of 36536865 in words is "thirty-six million, five hundred thirty-six thousand, eight hundred sixty-five".