254171 has 4 divisors (see below), whose sum is σ = 255192. Its totient is φ = 253152.

The previous prime is 254161. The next prime is 254179. The reversal of 254171 is 171452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254171 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254171.

It is not an unprimeable number, because it can be changed into a prime (254179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 726.

It is an arithmetic number, because the mean of its divisors is an integer number (63798).

2²⁵⁴¹⁷¹ is an apocalyptic number.

254171 is a deficient number, since it is larger than the sum of its proper divisors (1021).

254171 is an equidigital number, since it uses as much as digits as its factorization.

254171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its digits is 280, while the sum is 20.

The square root of 254171 is about 504.1537463909. The cubic root of 254171 is about 63.3444640332.

It can be divided in two parts, 254 and 171, that multiplied together give a palindrome (43434).

The spelling of 254171 in words is "two hundred fifty-four thousand, one hundred seventy-one".