2090717 has 2 divisors, whose sum is σ = 2090718. Its totient is φ = 2090716.

The previous prime is 2090689. The next prime is 2090719. The reversal of 2090717 is 7170902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1653796 + 436921 = 1286^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090717 - 2⁸ = 2090461 is a prime.

Together with 2090719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045358 + 1045359.

It is an arithmetic number, because the mean of its divisors is an integer number (1045359).

2^2090717 is an apocalyptic number.

It is an amenable number.

2090717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090717 is an equidigital number, since it uses as much as digits as its factorization.

2090717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 2090717 is about 1445.9311878509. The cubic root of 2090717 is about 127.8689454537.

The spelling of 2090717 in words is "two million, ninety thousand, seven hundred seventeen".