36165971 has 2 divisors, whose sum is σ = 36165972. Its totient is φ = 36165970.

The previous prime is 36165947. The next prime is 36166001. The reversal of 36165971 is 17956163.

It is a weak prime.

It is an emirp because it is prime and its reverse (17956163) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36165971 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36165271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18082985 + 18082986.

It is an arithmetic number, because the mean of its divisors is an integer number (18082986).

Almost surely, 2^36165971 is an apocalyptic number.

36165971 is a deficient number, since it is larger than the sum of its proper divisors (1).

36165971 is an equidigital number, since it uses as much as digits as its factorization.

36165971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 36165971 is about 6013.8150121200. The cubic root of 36165971 is about 330.6993768632.

The spelling of 36165971 in words is "thirty-six million, one hundred sixty-five thousand, nine hundred seventy-one".