2161883 has 2 divisors, whose sum is σ = 2161884. Its totient is φ = 2161882.

The previous prime is 2161871. The next prime is 2161897. The reversal of 2161883 is 3881612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2161883 - 2¹² = 2157787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2161813) 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, 1080941 + 1080942.

It is an arithmetic number, because the mean of its divisors is an integer number (1080942).

2^2161883 is an apocalyptic number.

2161883 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161883 is an equidigital number, since it uses as much as digits as its factorization.

2161883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 2161883 is about 1470.3343157255. The cubic root of 2161883 is about 129.3036334597.

The spelling of 2161883 in words is "two million, one hundred sixty-one thousand, eight hundred eighty-three".