42471903 has 16 divisors (see below), whose sum is σ = 57949056. Its totient is φ = 27661920.

The previous prime is 42471889. The next prime is 42471907. The reversal of 42471903 is 30917424.

It is a happy number.

It is not a de Polignac number, because 42471903 - 2⁴ = 42471887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42471907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25525 + ... + 27137.

It is an arithmetic number, because the mean of its divisors is an integer number (3621816).

Almost surely, 2^42471903 is an apocalyptic number.

42471903 is a deficient number, since it is larger than the sum of its proper divisors (15477153).

42471903 is a wasteful number, since it uses less digits than its factorization.

42471903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42471903 is about 6517.0471073946. The cubic root of 42471903 is about 348.8996818972.

It can be divided in two parts, 424 and 71903, that added together give a palindrome (72327).

The spelling of 42471903 in words is "forty-two million, four hundred seventy-one thousand, nine hundred three".