36191 has 2 divisors, whose sum is σ = 36192. Its totient is φ = 36190.

The previous prime is 36187. The next prime is 36209. The reversal of 36191 is 19163.

It is a weak prime.

It is an emirp because it is prime and its reverse (19163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36191 - 2² = 36187 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36191.

It is not a weakly prime, because it can be changed into another prime (36131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18095 + 18096.

It is an arithmetic number, because the mean of its divisors is an integer number (18096).

2³⁶¹⁹¹ is an apocalyptic number.

36191 is a deficient number, since it is larger than the sum of its proper divisors (1).

36191 is an equidigital number, since it uses as much as digits as its factorization.

36191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 20.

The square root of 36191 is about 190.2393229593. The cubic root of 36191 is about 33.0775647142.

The spelling of 36191 in words is "thirty-six thousand, one hundred ninety-one".