36381187 has 2 divisors, whose sum is σ = 36381188. Its totient is φ = 36381186.

The previous prime is 36381157. The next prime is 36381209. The reversal of 36381187 is 78118363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36381187 - 2²³ = 27992579 is a prime.

It is not a weakly prime, because it can be changed into another prime (36381157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18190593 + 18190594.

It is an arithmetic number, because the mean of its divisors is an integer number (18190594).

Almost surely, 2^36381187 is an apocalyptic number.

36381187 is a deficient number, since it is larger than the sum of its proper divisors (1).

36381187 is an equidigital number, since it uses as much as digits as its factorization.

36381187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 36381187 is about 6031.6819379009. The cubic root of 36381187 is about 331.3540538421.

The spelling of 36381187 in words is "thirty-six million, three hundred eighty-one thousand, one hundred eighty-seven".