91083337 has 2 divisors, whose sum is σ = 91083338. Its totient is φ = 91083336.

The previous prime is 91083323. The next prime is 91083361. The reversal of 91083337 is 73338019.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47734281 + 43349056 = 6909^2 + 6584^2 .

It is a cyclic number.

It is not a de Polignac number, because 91083337 - 2¹⁵ = 91050569 is a prime.

It is not a weakly prime, because it can be changed into another prime (91083367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45541668 + 45541669.

It is an arithmetic number, because the mean of its divisors is an integer number (45541669).

Almost surely, 2^91083337 is an apocalyptic number.

It is an amenable number.

91083337 is a deficient number, since it is larger than the sum of its proper divisors (1).

91083337 is an equidigital number, since it uses as much as digits as its factorization.

91083337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 91083337 is about 9543.7590602446. The cubic root of 91083337 is about 449.9314084755.

The spelling of 91083337 in words is "ninety-one million, eighty-three thousand, three hundred thirty-seven".