4091317 has 2 divisors, whose sum is σ = 4091318. Its totient is φ = 4091316.

The previous prime is 4091299. The next prime is 4091323. The reversal of 4091317 is 7131904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2954961 + 1136356 = 1719^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091317 - 2¹¹ = 4089269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4091291 and 4091300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4091357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045658 + 2045659.

It is an arithmetic number, because the mean of its divisors is an integer number (2045659).

Almost surely, 2^4091317 is an apocalyptic number.

It is an amenable number.

4091317 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091317 is an equidigital number, since it uses as much as digits as its factorization.

4091317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 4091317 is about 2022.7004227023. The cubic root of 4091317 is about 159.9390001843.

The spelling of 4091317 in words is "four million, ninety-one thousand, three hundred seventeen".