42275171 has 4 divisors (see below), whose sum is σ = 44500200. Its totient is φ = 40050144.

The previous prime is 42275161. The next prime is 42275179. The reversal of 42275171 is 17157224.

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 42275171 - 2¹⁰ = 42274147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42275179) 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, 1112486 + ... + 1112523.

It is an arithmetic number, because the mean of its divisors is an integer number (11125050).

Almost surely, 2^42275171 is an apocalyptic number.

42275171 is a deficient number, since it is larger than the sum of its proper divisors (2225029).

42275171 is a wasteful number, since it uses less digits than its factorization.

42275171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225028.

The product of its digits is 3920, while the sum is 29.

The square root of 42275171 is about 6501.9359424713. The cubic root of 42275171 is about 348.3601409942.

The spelling of 42275171 in words is "forty-two million, two hundred seventy-five thousand, one hundred seventy-one".