36093181 has 2 divisors, whose sum is σ = 36093182. Its totient is φ = 36093180.

The previous prime is 36093173. The next prime is 36093199. The reversal of 36093181 is 18139063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22477081 + 13616100 = 4741^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 36093181 - 2³ = 36093173 is a prime.

It is a super-2 number, since 2×36093181² = 2605435429397522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36093121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18046590 + 18046591.

It is an arithmetic number, because the mean of its divisors is an integer number (18046591).

Almost surely, 2^36093181 is an apocalyptic number.

It is an amenable number.

36093181 is a deficient number, since it is larger than the sum of its proper divisors (1).

36093181 is an equidigital number, since it uses as much as digits as its factorization.

36093181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 36093181 is about 6007.7600651158. The cubic root of 36093181 is about 330.4773654491.

The spelling of 36093181 in words is "thirty-six million, ninety-three thousand, one hundred eighty-one".