36065643 has 4 divisors (see below), whose sum is σ = 48087528. Its totient is φ = 24043760.

The previous prime is 36065641. The next prime is 36065651. The reversal of 36065643 is 34656063.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36065643 - 2¹ = 36065641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36065641) 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, 6010938 + ... + 6010943.

It is an arithmetic number, because the mean of its divisors is an integer number (12021882).

Almost surely, 2^36065643 is an apocalyptic number.

36065643 is a deficient number, since it is larger than the sum of its proper divisors (12021885).

36065643 is a wasteful number, since it uses less digits than its factorization.

36065643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12021884.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 36065643 is about 6005.4677586346. The cubic root of 36065643 is about 330.3932960032.

The spelling of 36065643 in words is "thirty-six million, sixty-five thousand, six hundred forty-three".