2159043 has 4 divisors (see below), whose sum is σ = 2878728. Its totient is φ = 1439360.

The previous prime is 2159041. The next prime is 2159063. The reversal of 2159043 is 3409512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2159043 - 2¹ = 2159041 is a prime.

It is a super-2 number, since 2×2159043² = 9322933351698, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2159041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359838 + ... + 359843.

It is an arithmetic number, because the mean of its divisors is an integer number (719682).

2^2159043 is an apocalyptic number.

2159043 is a deficient number, since it is larger than the sum of its proper divisors (719685).

2159043 is an equidigital number, since it uses as much as digits as its factorization.

2159043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719684.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2159043 is about 1469.3682315880. The cubic root of 2159043 is about 129.2469878966.

The spelling of 2159043 in words is "two million, one hundred fifty-nine thousand, forty-three".