2805163 has 2 divisors, whose sum is σ = 2805164. Its totient is φ = 2805162.

The previous prime is 2805161. The next prime is 2805167. The reversal of 2805163 is 3615082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2805163 - 2¹ = 2805161 is a prime.

Together with 2805161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2805161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402581 + 1402582.

It is an arithmetic number, because the mean of its divisors is an integer number (1402582).

2^2805163 is an apocalyptic number.

2805163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805163 is an equidigital number, since it uses as much as digits as its factorization.

2805163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2805163 is about 1674.8620838744. The cubic root of 2805163 is about 141.0325528849.

The spelling of 2805163 in words is "two million, eight hundred five thousand, one hundred sixty-three".