36994081 has 2 divisors, whose sum is σ = 36994082. Its totient is φ = 36994080.

The previous prime is 36994079. The next prime is 36994099. The reversal of 36994081 is 18049963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 13140625 = 4884^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 36994081 - 2¹ = 36994079 is a prime.

It is a super-2 number, since 2×36994081² = 2737124058069122, which contains 22 as substring.

Together with 36994079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36994021) 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, 18497040 + 18497041.

It is an arithmetic number, because the mean of its divisors is an integer number (18497041).

Almost surely, 2^36994081 is an apocalyptic number.

It is an amenable number.

36994081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36994081 is an equidigital number, since it uses as much as digits as its factorization.

36994081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 36994081 is about 6082.2759720355. The cubic root of 36994081 is about 333.2044153691.

The spelling of 36994081 in words is "thirty-six million, nine hundred ninety-four thousand, eighty-one".