91046297 has 2 divisors, whose sum is σ = 91046298. Its totient is φ = 91046296.

The previous prime is 91046239. The next prime is 91046303. The reversal of 91046297 is 79264019.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56987401 + 34058896 = 7549^2 + 5836^2 .

It is an emirp because it is prime and its reverse (79264019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91046297 - 2⁸ = 91046041 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91046297.

It is not a weakly prime, because it can be changed into another prime (91046497) 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, 45523148 + 45523149.

It is an arithmetic number, because the mean of its divisors is an integer number (45523149).

Almost surely, 2^91046297 is an apocalyptic number.

It is an amenable number.

91046297 is a deficient number, since it is larger than the sum of its proper divisors (1).

91046297 is an equidigital number, since it uses as much as digits as its factorization.

91046297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 91046297 is about 9541.8183277612. The cubic root of 91046297 is about 449.8704104214.

The spelling of 91046297 in words is "ninety-one million, forty-six thousand, two hundred ninety-seven".