2118833 has 2 divisors, whose sum is σ = 2118834. Its totient is φ = 2118832.

The previous prime is 2118811. The next prime is 2118841. The reversal of 2118833 is 3388112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 935089 = 1088^2 + 967^2 .

It is a cyclic number.

It is not a de Polignac number, because 2118833 - 2²⁰ = 1070257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2118803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059416 + 1059417.

It is an arithmetic number, because the mean of its divisors is an integer number (1059417).

2^2118833 is an apocalyptic number.

It is an amenable number.

2118833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118833 is an equidigital number, since it uses as much as digits as its factorization.

2118833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 2118833 is about 1455.6211732453. The cubic root of 2118833 is about 128.4395896657.

The spelling of 2118833 in words is "two million, one hundred eighteen thousand, eight hundred thirty-three".