254078 has 8 divisors (see below), whose sum is σ = 415800. Its totient is φ = 115480.

The previous prime is 254071. The next prime is 254083. The reversal of 254078 is 870452.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254071) by changing a digit.

254078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 5753 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (51975).

2²⁵⁴⁰⁷⁸ is an apocalyptic number.

254078 is a deficient number, since it is larger than the sum of its proper divisors (161722).

254078 is a wasteful number, since it uses less digits than its factorization.

254078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 254078 is about 504.0615041838. The cubic root of 254078 is about 63.3367372747.

The spelling of 254078 in words is "two hundred fifty-four thousand, seventy-eight".