605171 has 4 divisors (see below), whose sum is σ = 691632. Its totient is φ = 518712.

The previous prime is 605167. The next prime is 605173. The reversal of 605171 is 171506.

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 605171 - 2² = 605167 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43220 + ... + 43233.

It is an arithmetic number, because the mean of its divisors is an integer number (172908).

2⁶⁰⁵¹⁷¹ is an apocalyptic number.

605171 is a deficient number, since it is larger than the sum of its proper divisors (86461).

605171 is an equidigital number, since it uses as much as digits as its factorization.

605171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86460.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 605171 is about 777.9273745023. The cubic root of 605171 is about 84.5848732332.

Adding to 605171 its reverse (171506), we get a palindrome (776677).

The spelling of 605171 in words is "six hundred five thousand, one hundred seventy-one".