2104811 has 2 divisors, whose sum is σ = 2104812. Its totient is φ = 2104810.

The previous prime is 2104759. The next prime is 2104841. The reversal of 2104811 is 1184012.

2104811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2104811 - 2⁶ = 2104747 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104811.

It is not a weakly prime, because it can be changed into another prime (2104841) 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, 1052405 + 1052406.

It is an arithmetic number, because the mean of its divisors is an integer number (1052406).

2^2104811 is an apocalyptic number.

2104811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104811 is an equidigital number, since it uses as much as digits as its factorization.

2104811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 2104811 is about 1450.7966776913. The cubic root of 2104811 is about 128.1556334446.

Adding to 2104811 its reverse (1184012), we get a palindrome (3288823).

The spelling of 2104811 in words is "two million, one hundred four thousand, eight hundred eleven".