254278 has 4 divisors (see below), whose sum is σ = 381420. Its totient is φ = 127138.

The previous prime is 254257. The next prime is 254279. The reversal of 254278 is 872452.

254278 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254279) by changing a digit.

254278 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63568 + ... + 63571.

It is an arithmetic number, because the mean of its divisors is an integer number (95355).

2²⁵⁴²⁷⁸ is an apocalyptic number.

254278 is a deficient number, since it is larger than the sum of its proper divisors (127142).

254278 is a wasteful number, since it uses less digits than its factorization.

254278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127141.

The product of its digits is 4480, while the sum is 28.

The square root of 254278 is about 504.2598536469. The cubic root of 254278 is about 63.3533516283.

The spelling of 254278 in words is "two hundred fifty-four thousand, two hundred seventy-eight".