2440003 has 2 divisors, whose sum is σ = 2440004. Its totient is φ = 2440002.

The previous prime is 2439991. The next prime is 2440007. The reversal of 2440003 is 3000442.

2440003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2440003 - 2⁹ = 2439491 is a prime.

It is a super-2 number, since 2×2440003² = 11907229280018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2440007) 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 as a sum of consecutive naturals, namely, 1220001 + 1220002.

It is an arithmetic number, because the mean of its divisors is an integer number (1220002).

2^2440003 is an apocalyptic number.

2440003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440003 is an equidigital number, since it uses as much as digits as its factorization.

2440003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2440003 is about 1562.0508954576. The cubic root of 2440003 is about 134.6263651200.

Adding to 2440003 its reverse (3000442), we get a palindrome (5440445).

The spelling of 2440003 in words is "two million, four hundred forty thousand, three".