36369881 has 2 divisors, whose sum is σ = 36369882. Its totient is φ = 36369880.

The previous prime is 36369871. The next prime is 36369899. The reversal of 36369881 is 18896363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33825856 + 2544025 = 5816^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 36369881 - 2¹⁸ = 36107737 is a prime.

It is a super-2 number, since 2×36369881² = 2645536487908322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (36369871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18184940 + 18184941.

It is an arithmetic number, because the mean of its divisors is an integer number (18184941).

Almost surely, 2^36369881 is an apocalyptic number.

It is an amenable number.

36369881 is a deficient number, since it is larger than the sum of its proper divisors (1).

36369881 is an equidigital number, since it uses as much as digits as its factorization.

36369881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 36369881 is about 6030.7446472223. The cubic root of 36369881 is about 331.3197258704.

The spelling of 36369881 in words is "thirty-six million, three hundred sixty-nine thousand, eight hundred eighty-one".