91036741 has 2 divisors, whose sum is σ = 91036742. Its totient is φ = 91036740.

The previous prime is 91036727. The next prime is 91036753. The reversal of 91036741 is 14763019.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86397025 + 4639716 = 9295^2 + 2154^2 .

It is a cyclic number.

It is not a de Polignac number, because 91036741 - 2⁵ = 91036709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91037741) 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, 45518370 + 45518371.

It is an arithmetic number, because the mean of its divisors is an integer number (45518371).

Almost surely, 2^91036741 is an apocalyptic number.

It is an amenable number.

91036741 is a deficient number, since it is larger than the sum of its proper divisors (1).

91036741 is an equidigital number, since it uses as much as digits as its factorization.

91036741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 91036741 is about 9541.3175714888. The cubic root of 91036741 is about 449.8546707659.

The spelling of 91036741 in words is "ninety-one million, thirty-six thousand, seven hundred forty-one".