42003355 has 8 divisors (see below), whose sum is σ = 50661072. Its totient is φ = 33431328.

The previous prime is 42003337. The next prime is 42003371. The reversal of 42003355 is 55330024.

42003355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42003355 - 2⁵ = 42003323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20337 + ... + 22306.

It is an arithmetic number, because the mean of its divisors is an integer number (6332634).

Almost surely, 2^42003355 is an apocalyptic number.

42003355 is a deficient number, since it is larger than the sum of its proper divisors (8657717).

42003355 is a wasteful number, since it uses less digits than its factorization.

42003355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42845.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 42003355 is about 6480.9995371085. Note that the first 3 decimals coincide. The cubic root of 42003355 is about 347.6119198528.

Adding to 42003355 its reverse (55330024), we get a palindrome (97333379).

The spelling of 42003355 in words is "forty-two million, three thousand, three hundred fifty-five".