2117833 has 2 divisors, whose sum is σ = 2117834. Its totient is φ = 2117832.

The previous prime is 2117821. The next prime is 2117849. The reversal of 2117833 is 3387112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1617984 + 499849 = 1272^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2117833 - 2⁹ = 2117321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2117798 and 2117807.

It is not a weakly prime, because it can be changed into another prime (2117813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058916 + 1058917.

It is an arithmetic number, because the mean of its divisors is an integer number (1058917).

2^2117833 is an apocalyptic number.

It is an amenable number.

2117833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117833 is an equidigital number, since it uses as much as digits as its factorization.

2117833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 2117833 is about 1455.2776367415. The cubic root of 2117833 is about 128.4193804592.

The spelling of 2117833 in words is "two million, one hundred seventeen thousand, eight hundred thirty-three".