2137879 has 2 divisors, whose sum is σ = 2137880. Its totient is φ = 2137878.

The previous prime is 2137871. The next prime is 2137907. The reversal of 2137879 is 9787312.

2137879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2137879 - 2³ = 2137871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2137871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068939 + 1068940.

It is an arithmetic number, because the mean of its divisors is an integer number (1068940).

2^2137879 is an apocalyptic number.

2137879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137879 is an equidigital number, since it uses as much as digits as its factorization.

2137879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 2137879 is about 1462.1487612415. The cubic root of 2137879 is about 128.8232862685.

The spelling of 2137879 in words is "two million, one hundred thirty-seven thousand, eight hundred seventy-nine".