91795133 has 2 divisors, whose sum is σ = 91795134. Its totient is φ = 91795132.

The previous prime is 91795103. The next prime is 91795147. The reversal of 91795133 is 33159719.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 36990724 = 7403^2 + 6082^2 .

It is an emirp because it is prime and its reverse (33159719) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91795133 - 2¹⁶ = 91729597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91795103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45897566 + 45897567.

It is an arithmetic number, because the mean of its divisors is an integer number (45897567).

Almost surely, 2^91795133 is an apocalyptic number.

It is an amenable number.

91795133 is a deficient number, since it is larger than the sum of its proper divisors (1).

91795133 is an equidigital number, since it uses as much as digits as its factorization.

91795133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25515, while the sum is 38.

The square root of 91795133 is about 9580.9776641009. The cubic root of 91795133 is about 451.1004065184.

The spelling of 91795133 in words is "ninety-one million, seven hundred ninety-five thousand, one hundred thirty-three".