42175 has 12 divisors (see below), whose sum is σ = 60016.
Its totient is φ = 28800.
The previous prime is 42169. The next prime is 42179. The reversal of 42175 is 57124.
It is not a de Polignac number, because 42175 - 211 = 40127 is a prime.
It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a plaindrome in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42179) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55 + ... + 295.
242175 is an apocalyptic number.
42175 is a deficient number, since it is larger than the sum of its proper divisors (17841).
42175 is a wasteful number, since it uses less digits than its factorization.
42175 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258 (or 253 counting only the distinct ones).
The product of its digits is 280, while the sum is 19.
The square root of 42175 is about 205.3655277791.
The cubic root of 42175 is about 34.8084776985.
Adding to 42175 its reverse (57124), we get a palindrome (99299).
It can be divided in two parts, 421 and 75, that added together give a triangular number (496 = T31).
The spelling of 42175 in words is "forty-two thousand, one hundred seventy-five".