2113789 has 2 divisors, whose sum is σ = 2113790. Its totient is φ = 2113788.

The previous prime is 2113759. The next prime is 2113801. The reversal of 2113789 is 9873112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 940900 = 1083^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113789 - 2⁵ = 2113757 is a prime.

It is a super-3 number, since 3×2113789³ = 28333886855624364207, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056894 + 1056895.

It is an arithmetic number, because the mean of its divisors is an integer number (1056895).

2^2113789 is an apocalyptic number.

It is an amenable number.

2113789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113789 is an equidigital number, since it uses as much as digits as its factorization.

2113789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 2113789 is about 1453.8875472333. The cubic root of 2113789 is about 128.3375894842.

The spelling of 2113789 in words is "two million, one hundred thirteen thousand, seven hundred eighty-nine".