2442403 has 2 divisors, whose sum is σ = 2442404. Its totient is φ = 2442402.

The previous prime is 2442389. The next prime is 2442413. The reversal of 2442403 is 3042442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2442403 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2442413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221201 + 1221202.

It is an arithmetic number, because the mean of its divisors is an integer number (1221202).

2^2442403 is an apocalyptic number.

2442403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442403 is an equidigital number, since it uses as much as digits as its factorization.

2442403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2442403 is about 1562.8189274513. The cubic root of 2442403 is about 134.6704903934.

Adding to 2442403 its reverse (3042442), we get a palindrome (5484845).

The spelling of 2442403 in words is "two million, four hundred forty-two thousand, four hundred three".