42573171 has 4 divisors (see below), whose sum is σ = 56764232. Its totient is φ = 28382112.

The previous prime is 42573127. The next prime is 42573173. The reversal of 42573171 is 17137524.

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

It is not a de Polignac number, because 42573171 - 2⁹ = 42572659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42573173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7095526 + ... + 7095531.

It is an arithmetic number, because the mean of its divisors is an integer number (14191058).

Almost surely, 2^42573171 is an apocalyptic number.

42573171 is a deficient number, since it is larger than the sum of its proper divisors (14191061).

42573171 is a wasteful number, since it uses less digits than its factorization.

42573171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14191060.

The product of its digits is 5880, while the sum is 30.

The square root of 42573171 is about 6524.8119513132. The cubic root of 42573171 is about 349.1767617706.

The spelling of 42573171 in words is "forty-two million, five hundred seventy-three thousand, one hundred seventy-one".