2043073 has 4 divisors (see below), whose sum is σ = 2076628. Its totient is φ = 2009520.

The previous prime is 2043061. The next prime is 2043091. The reversal of 2043073 is 3703402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703402 = 2 ⋅1851701.

It can be written as a sum of positive squares in 2 ways, for example, as 1183744 + 859329 = 1088^2 + 927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043073.

It is not an unprimeable number, because it can be changed into a prime (2043023) 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 3 ways as a sum of consecutive naturals, for example, 16686 + ... + 16807.

It is an arithmetic number, because the mean of its divisors is an integer number (519157).

2^2043073 is an apocalyptic number.

It is an amenable number.

2043073 is a deficient number, since it is larger than the sum of its proper divisors (33555).

2043073 is an equidigital number, since it uses as much as digits as its factorization.

2043073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33554.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 2043073 is about 1429.3610460622. The cubic root of 2043073 is about 126.8901648176.

Adding to 2043073 its reverse (3703402), we get a palindrome (5746475).

It can be divided in two parts, 20430 and 73, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 2043073 in words is "two million, forty-three thousand, seventy-three".