91104317 has 2 divisors, whose sum is σ = 91104318. Its totient is φ = 91104316.

The previous prime is 91104313. The next prime is 91104331. The reversal of 91104317 is 71340119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71132356 + 19971961 = 8434^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 91104317 - 2² = 91104313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91104313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45552158 + 45552159.

It is an arithmetic number, because the mean of its divisors is an integer number (45552159).

Almost surely, 2^91104317 is an apocalyptic number.

It is an amenable number.

91104317 is a deficient number, since it is larger than the sum of its proper divisors (1).

91104317 is an equidigital number, since it uses as much as digits as its factorization.

91104317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 91104317 is about 9544.8581445719. The cubic root of 91104317 is about 449.9659513333.

The spelling of 91104317 in words is "ninety-one million, one hundred four thousand, three hundred seventeen".