91934033 has 2 divisors, whose sum is σ = 91934034. Its totient is φ = 91934032.

The previous prime is 91934023. The next prime is 91934041. The reversal of 91934033 is 33043919.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 39037504 = 7273^2 + 6248^2 .

It is an emirp because it is prime and its reverse (33043919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91934033 - 2⁶ = 91933969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91934023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45967016 + 45967017.

It is an arithmetic number, because the mean of its divisors is an integer number (45967017).

Almost surely, 2^91934033 is an apocalyptic number.

It is an amenable number.

91934033 is a deficient number, since it is larger than the sum of its proper divisors (1).

91934033 is an equidigital number, since it uses as much as digits as its factorization.

91934033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 91934033 is about 9588.2236623892. The cubic root of 91934033 is about 451.3278196987.

The spelling of 91934033 in words is "ninety-one million, nine hundred thirty-four thousand, thirty-three".