42885903 has 4 divisors (see below), whose sum is σ = 57181208. Its totient is φ = 28590600.

The previous prime is 42885901. The next prime is 42885911. The reversal of 42885903 is 30958824.

It is a happy number.

42885903 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 not a de Polignac number, because 42885903 - 2¹ = 42885901 is a prime.

It is a super-2 number, since 2×42885903² = 3678401352250818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42885901) 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, 7147648 + ... + 7147653.

It is an arithmetic number, because the mean of its divisors is an integer number (14295302).

Almost surely, 2^42885903 is an apocalyptic number.

42885903 is a deficient number, since it is larger than the sum of its proper divisors (14295305).

42885903 is a wasteful number, since it uses less digits than its factorization.

42885903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14295304.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 42885903 is about 6548.7329308806. The cubic root of 42885903 is about 350.0296655127.

The spelling of 42885903 in words is "forty-two million, eight hundred eighty-five thousand, nine hundred three".