2090497 has 2 divisors, whose sum is σ = 2090498. Its totient is φ = 2090496.

The previous prime is 2090489. The next prime is 2090509. The reversal of 2090497 is 7940902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 410881 = 1296^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090497 - 2³ = 2090489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2090477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045248 + 1045249.

It is an arithmetic number, because the mean of its divisors is an integer number (1045249).

2^2090497 is an apocalyptic number.

It is an amenable number.

2090497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090497 is an equidigital number, since it uses as much as digits as its factorization.

2090497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2090497 is about 1445.8551103067. The cubic root of 2090497 is about 127.8644602053.

The spelling of 2090497 in words is "two million, ninety thousand, four hundred ninety-seven".