42808103 has 4 divisors (see below), whose sum is σ = 46101048. Its totient is φ = 39515160.

The previous prime is 42808097. The next prime is 42808111. The reversal of 42808103 is 30180824.

42808103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42808103 - 2⁶ = 42808039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42808133) 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 in 3 ways as a sum of consecutive naturals, for example, 1646453 + ... + 1646478.

It is an arithmetic number, because the mean of its divisors is an integer number (11525262).

Almost surely, 2^42808103 is an apocalyptic number.

42808103 is a deficient number, since it is larger than the sum of its proper divisors (3292945).

42808103 is a wasteful number, since it uses less digits than its factorization.

42808103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292944.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 42808103 is about 6542.7901540551. The cubic root of 42808103 is about 349.8178725908.

Adding to 42808103 its reverse (30180824), we get a palindrome (72988927).

The spelling of 42808103 in words is "forty-two million, eight hundred eight thousand, one hundred three".