42041603 has 2 divisors, whose sum is σ = 42041604. Its totient is φ = 42041602.

The previous prime is 42041581. The next prime is 42041609. The reversal of 42041603 is 30614024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42041603 - 2⁸ = 42041347 is a prime.

It is not a weakly prime, because it can be changed into another prime (42041609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020801 + 21020802.

It is an arithmetic number, because the mean of its divisors is an integer number (21020802).

Almost surely, 2^42041603 is an apocalyptic number.

42041603 is a deficient number, since it is larger than the sum of its proper divisors (1).

42041603 is an equidigital number, since it uses as much as digits as its factorization.

42041603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42041603 is about 6483.9496450852. The cubic root of 42041603 is about 347.7173989442.

Adding to 42041603 its reverse (30614024), we get a palindrome (72655627).

The spelling of 42041603 in words is "forty-two million, forty-one thousand, six hundred three".