2805791 has 2 divisors, whose sum is σ = 2805792. Its totient is φ = 2805790.

The previous prime is 2805773. The next prime is 2805809. The reversal of 2805791 is 1975082.

2805791 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 (2805773) and next prime (2805809).

It is a cyclic number.

It is not a de Polignac number, because 2805791 - 2¹⁴ = 2789407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2805091) 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, 1402895 + 1402896.

It is an arithmetic number, because the mean of its divisors is an integer number (1402896).

2^2805791 is an apocalyptic number.

2805791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805791 is an equidigital number, since it uses as much as digits as its factorization.

2805791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2805791 is about 1675.0495515059. The cubic root of 2805791 is about 141.0430765556.

The spelling of 2805791 in words is "two million, eight hundred five thousand, seven hundred ninety-one".