36358681 has 2 divisors, whose sum is σ = 36358682. Its totient is φ = 36358680.

The previous prime is 36358669. The next prime is 36358709. The reversal of 36358681 is 18685363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28987456 + 7371225 = 5384^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 36358681 - 2⁵ = 36358649 is a prime.

It is a super-2 number, since 2×36358681² = 2643907368119522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36358601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18179340 + 18179341.

It is an arithmetic number, because the mean of its divisors is an integer number (18179341).

Almost surely, 2^36358681 is an apocalyptic number.

It is an amenable number.

36358681 is a deficient number, since it is larger than the sum of its proper divisors (1).

36358681 is an equidigital number, since it uses as much as digits as its factorization.

36358681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 36358681 is about 6029.8160005095. The cubic root of 36358681 is about 331.2857127273.

The spelling of 36358681 in words is "thirty-six million, three hundred fifty-eight thousand, six hundred eighty-one".