36565983 has 12 divisors (see below), whose sum is σ = 52869960. Its totient is φ = 24353136.

The previous prime is 36565981. The next prime is 36565999. The reversal of 36565983 is 38956563.

36565983 is a `hidden beast` number, since 3 + 6 + 56 + 598 + 3 = 666.

It is not a de Polignac number, because 36565983 - 2¹ = 36565981 is a prime.

It is a super-2 number, since 2×36565983² = 2674142225512578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36565981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16785 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (4405830).

Almost surely, 2^36565983 is an apocalyptic number.

36565983 is a deficient number, since it is larger than the sum of its proper divisors (16303977).

36565983 is a wasteful number, since it uses less digits than its factorization.

36565983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 4035 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 36565983 is about 6046.9813130189. The cubic root of 36565983 is about 331.9141374466.

The spelling of 36565983 in words is "thirty-six million, five hundred sixty-five thousand, nine hundred eighty-three".