2099197 has 2 divisors, whose sum is σ = 2099198. Its totient is φ = 2099196.

The previous prime is 2099191. The next prime is 2099203. The reversal of 2099197 is 7919902.

2099197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2099191) and next prime (2099203).

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 8281 = 1446^2 + 91^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099197 is a prime.

It is a Chen prime.

2099197 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099191) 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, 1049598 + 1049599.

It is an arithmetic number, because the mean of its divisors is an integer number (1049599).

2^2099197 is an apocalyptic number.

2099197 is the 837-th hex number.

It is an amenable number.

2099197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099197 is an equidigital number, since it uses as much as digits as its factorization.

2099197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 2099197 is about 1448.8605868061. The cubic root of 2099197 is about 128.0415921152.

The spelling of 2099197 in words is "two million, ninety-nine thousand, one hundred ninety-seven".