427171 has 4 divisors (see below), whose sum is σ = 431200. Its totient is φ = 423144.

The previous prime is 427169. The next prime is 427181. The reversal of 427171 is 171724.

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 427171 - 2¹ = 427169 is a prime.

It is a Duffinian number.

427171 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427151) 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, 1851 + ... + 2068.

It is an arithmetic number, because the mean of its divisors is an integer number (107800).

2⁴²⁷¹⁷¹ is an apocalyptic number.

427171 is a deficient number, since it is larger than the sum of its proper divisors (4029).

427171 is a wasteful number, since it uses less digits than its factorization.

427171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028.

The product of its digits is 392, while the sum is 22.

The square root of 427171 is about 653.5832005185. The cubic root of 427171 is about 75.3125328707.

Adding to 427171 its reverse (171724), we get a palindrome (598895).

The spelling of 427171 in words is "four hundred twenty-seven thousand, one hundred seventy-one", and thus it is an iban number.