2005015043 has 2 divisors, whose sum is σ = 2005015044. Its totient is φ = 2005015042.

The previous prime is 2005015031. The next prime is 2005015063. The reversal of 2005015043 is 3405105002.

It is an a-pointer prime, because the next prime (2005015063) can be obtained adding 2005015043 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005015043 - 2⁴ = 2005015027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005015063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002507521 + 1002507522.

It is an arithmetic number, because the mean of its divisors is an integer number (1002507522).

Almost surely, 2^2005015043 is an apocalyptic number.

2005015043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005015043 is an equidigital number, since it uses as much as digits as its factorization.

2005015043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2005015043 is about 44777.3943301751. The cubic root of 2005015043 is about 1260.9732639415.

The spelling of 2005015043 in words is "two billion, five million, fifteen thousand, forty-three".