2004331243 has 2 divisors, whose sum is σ = 2004331244. Its totient is φ = 2004331242.

The previous prime is 2004331187. The next prime is 2004331249. The reversal of 2004331243 is 3421334002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2004331243 - 2¹³ = 2004323051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2004331249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002165621 + 1002165622.

It is an arithmetic number, because the mean of its divisors is an integer number (1002165622).

Almost surely, 2^2004331243 is an apocalyptic number.

2004331243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004331243 is an equidigital number, since it uses as much as digits as its factorization.

2004331243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2004331243 is about 44769.7581297911. The cubic root of 2004331243 is about 1260.8298981745.

Adding to 2004331243 its reverse (3421334002), we get a palindrome (5425665245).

The spelling of 2004331243 in words is "two billion, four million, three hundred thirty-one thousand, two hundred forty-three".