2013043 has 2 divisors, whose sum is σ = 2013044. Its totient is φ = 2013042.

The previous prime is 2013023. The next prime is 2013049. The reversal of 2013043 is 3403102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013043 - 2⁹ = 2012531 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006521 + 1006522.

It is an arithmetic number, because the mean of its divisors is an integer number (1006522).

2^2013043 is an apocalyptic number.

2013043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013043 is an equidigital number, since it uses as much as digits as its factorization.

2013043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2013043 is about 1418.8174653563. The cubic root of 2013043 is about 126.2653975927.

Adding to 2013043 its reverse (3403102), we get a palindrome (5416145).

The spelling of 2013043 in words is "two million, thirteen thousand, forty-three".