36539945 has 16 divisors (see below), whose sum is σ = 49707840. Its totient is φ = 25562304.

The previous prime is 36539911. The next prime is 36539947. The reversal of 36539945 is 54993563.

It is a cyclic number.

It is not a de Polignac number, because 36539945 - 2⁸ = 36539689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36539896 and 36539905.

It is not an unprimeable number, because it can be changed into a prime (36539947) 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, 13559 + ... + 16028.

It is an arithmetic number, because the mean of its divisors is an integer number (3106740).

Almost surely, 2^36539945 is an apocalyptic number.

It is an amenable number.

36539945 is a deficient number, since it is larger than the sum of its proper divisors (13167895).

36539945 is a wasteful number, since it uses less digits than its factorization.

36539945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29624.

The product of its digits is 437400, while the sum is 44.

The square root of 36539945 is about 6044.8279545410. The cubic root of 36539945 is about 331.8353353125.

The spelling of 36539945 in words is "thirty-six million, five hundred thirty-nine thousand, nine hundred forty-five".