254218 has 8 divisors (see below), whose sum is σ = 403812. Its totient is φ = 119616.

The previous prime is 254213. The next prime is 254249. The reversal of 254218 is 812452.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 45369 = 457^2 + 213^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 3705 + ... + 3772.

2²⁵⁴²¹⁸ is an apocalyptic number.

254218 is a deficient number, since it is larger than the sum of its proper divisors (149594).

254218 is a wasteful number, since it uses less digits than its factorization.

254218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496.

The product of its digits is 640, while the sum is 22.

The square root of 254218 is about 504.2003570011. The cubic root of 254218 is about 63.3483682372.

The spelling of 254218 in words is "two hundred fifty-four thousand, two hundred eighteen".