36091481 has 2 divisors, whose sum is σ = 36091482. Its totient is φ = 36091480.

The previous prime is 36091427. The next prime is 36091483. The reversal of 36091481 is 18419063.

It is a happy number.

36091481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21307456 + 14784025 = 4616^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 36091481 - 2¹⁸ = 35829337 is a prime.

It is a super-2 number, since 2×36091481² = 2605190001546722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 36091483, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (36091483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18045740 + 18045741.

It is an arithmetic number, because the mean of its divisors is an integer number (18045741).

Almost surely, 2^36091481 is an apocalyptic number.

It is an amenable number.

36091481 is a deficient number, since it is larger than the sum of its proper divisors (1).

36091481 is an equidigital number, since it uses as much as digits as its factorization.

36091481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 36091481 is about 6007.6185797702. The cubic root of 36091481 is about 330.4721768389.

The spelling of 36091481 in words is "thirty-six million, ninety-one thousand, four hundred eighty-one".