2160043 has 4 divisors (see below), whose sum is σ = 2166208. Its totient is φ = 2153880.

The previous prime is 2160031. The next prime is 2160061. The reversal of 2160043 is 3400612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2160043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2159999 and 2160026.

It is not an unprimeable number, because it can be changed into a prime (2160443) 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, 2523 + ... + 3268.

It is an arithmetic number, because the mean of its divisors is an integer number (541552).

2^2160043 is an apocalyptic number.

2160043 is a deficient number, since it is larger than the sum of its proper divisors (6165).

2160043 is an equidigital number, since it uses as much as digits as its factorization.

2160043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2160043 is about 1469.7084744942. The cubic root of 2160043 is about 129.2669391804.

Adding to 2160043 its reverse (3400612), we get a palindrome (5560655).

The spelling of 2160043 in words is "two million, one hundred sixty thousand, forty-three".