2113879 has 2 divisors, whose sum is σ = 2113880. Its totient is φ = 2113878.

The previous prime is 2113873. The next prime is 2113901. The reversal of 2113879 is 9783112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113879 - 2¹⁹ = 1589591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056939 + 1056940.

It is an arithmetic number, because the mean of its divisors is an integer number (1056940).

2^2113879 is an apocalyptic number.

2113879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113879 is an equidigital number, since it uses as much as digits as its factorization.

2113879 is an evil number, because the sum of its binary digits is even.

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

The square root of 2113879 is about 1453.9184984035. The cubic root of 2113879 is about 128.3394108926.

It can be divided in two parts, 2113 and 879, that added together give a palindrome (2992).

The spelling of 2113879 in words is "two million, one hundred thirteen thousand, eight hundred seventy-nine".