36358181 has 2 divisors, whose sum is σ = 36358182. Its totient is φ = 36358180.

The previous prime is 36358151. The next prime is 36358207. The reversal of 36358181 is 18185363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31696900 + 4661281 = 5630^2 + 2159^2 .

It is a cyclic number.

It is not a de Polignac number, because 36358181 - 2⁶ = 36358117 is a prime.

It is a super-2 number, since 2×36358181² = 2643834651257522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36358111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18179090 + 18179091.

It is an arithmetic number, because the mean of its divisors is an integer number (18179091).

Almost surely, 2^36358181 is an apocalyptic number.

It is an amenable number.

36358181 is a deficient number, since it is larger than the sum of its proper divisors (1).

36358181 is an equidigital number, since it uses as much as digits as its factorization.

36358181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 36358181 is about 6029.7745397320. The cubic root of 36358181 is about 331.2841941205.

The spelling of 36358181 in words is "thirty-six million, three hundred fifty-eight thousand, one hundred eighty-one".