2090317 has 2 divisors, whose sum is σ = 2090318. Its totient is φ = 2090316.

The previous prime is 2090281. The next prime is 2090327. The reversal of 2090317 is 7130902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1394761 + 695556 = 1181^2 + 834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090317 - 2¹¹ = 2088269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045158 + 1045159.

It is an arithmetic number, because the mean of its divisors is an integer number (1045159).

2^2090317 is an apocalyptic number.

It is an amenable number.

2090317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090317 is an equidigital number, since it uses as much as digits as its factorization.

2090317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2090317 is about 1445.7928620657. The cubic root of 2090317 is about 127.8607902226.

The spelling of 2090317 in words is "two million, ninety thousand, three hundred seventeen".