2159019 has 12 divisors (see below), whose sum is σ = 3195192. Its totient is φ = 1404000.

The previous prime is 2158999. The next prime is 2159023. The reversal of 2159019 is 9109512.

It is a happy number.

2159019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2159019 - 2⁸ = 2158763 is a prime.

It is a super-2 number, since 2×2159019² = 9322726084722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2158983 and 2159001.

It is not an unprimeable number, because it can be changed into a prime (2159419) 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 in 11 ways as a sum of consecutive naturals, for example, 2557 + ... + 3294.

It is an arithmetic number, because the mean of its divisors is an integer number (266266).

2^2159019 is an apocalyptic number.

2159019 is a deficient number, since it is larger than the sum of its proper divisors (1036173).

2159019 is a wasteful number, since it uses less digits than its factorization.

2159019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898 (or 5895 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2159019 is about 1469.3600647901. The cubic root of 2159019 is about 129.2465089901.

It can be divided in two parts, 21590 and 19, that added together give a square (21609 = 147²).

The spelling of 2159019 in words is "two million, one hundred fifty-nine thousand, nineteen".