254217 has 8 divisors (see below), whose sum is σ = 342720. Its totient is φ = 167600.

The previous prime is 254213. The next prime is 254249. The reversal of 254217 is 712452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254217 - 2² = 254213 is a prime.

254217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 254193 and 254202.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254217.

It is not an unprimeable number, because it can be changed into a prime (254213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2²⁵⁴²¹⁷ is an apocalyptic number.

It is an amenable number.

254217 is a deficient number, since it is larger than the sum of its proper divisors (88503).

254217 is a wasteful number, since it uses less digits than its factorization.

254217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 560, while the sum is 21.

The square root of 254217 is about 504.1993653308. The cubic root of 254217 is about 63.3482851741.

Adding to 254217 its reverse (712452), we get a palindrome (966669).

The spelling of 254217 in words is "two hundred fifty-four thousand, two hundred seventeen".