2291417 has 2 divisors, whose sum is σ = 2291418. Its totient is φ = 2291416.

The previous prime is 2291389. The next prime is 2291437. The reversal of 2291417 is 7141922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 38416 = 1501^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2291417 - 2⁶ = 2291353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2291437) 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, 1145708 + 1145709.

It is an arithmetic number, because the mean of its divisors is an integer number (1145709).

2^2291417 is an apocalyptic number.

It is an amenable number.

2291417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2291417 is an equidigital number, since it uses as much as digits as its factorization.

2291417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 2291417 is about 1513.7427126166. The cubic root of 2291417 is about 131.8362102247.

The spelling of 2291417 in words is "two million, two hundred ninety-one thousand, four hundred seventeen".