2013859 has 2 divisors, whose sum is σ = 2013860. Its totient is φ = 2013858.

The previous prime is 2013833. The next prime is 2013877. The reversal of 2013859 is 9583102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013859 - 2¹¹ = 2011811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2013889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006929 + 1006930.

It is an arithmetic number, because the mean of its divisors is an integer number (1006930).

2^2013859 is an apocalyptic number.

2013859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013859 is an equidigital number, since it uses as much as digits as its factorization.

2013859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2013859 is about 1419.1049996389. The cubic root of 2013859 is about 126.2824561198.

The spelling of 2013859 in words is "two million, thirteen thousand, eight hundred fifty-nine".