91049291 has 2 divisors, whose sum is σ = 91049292. Its totient is φ = 91049290.

The previous prime is 91049279. The next prime is 91049303. The reversal of 91049291 is 19294019.

It is a balanced prime because it is at equal distance from previous prime (91049279) and next prime (91049303).

It is a cyclic number.

It is not a de Polignac number, because 91049291 - 2¹⁰ = 91048267 is a prime.

It is not a weakly prime, because it can be changed into another prime (91049261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45524645 + 45524646.

It is an arithmetic number, because the mean of its divisors is an integer number (45524646).

Almost surely, 2^91049291 is an apocalyptic number.

91049291 is a deficient number, since it is larger than the sum of its proper divisors (1).

91049291 is an equidigital number, since it uses as much as digits as its factorization.

91049291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 91049291 is about 9541.9752148075. The cubic root of 91049291 is about 449.8753416022.

The spelling of 91049291 in words is "ninety-one million, forty-nine thousand, two hundred ninety-one".