278254 has 12 divisors (see below), whose sum is σ = 437976. Its totient is φ = 132572.

The previous prime is 278237. The next prime is 278261. The reversal of 278254 is 452872.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 927 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (36498).

2²⁷⁸²⁵⁴ is an apocalyptic number.

278254 is a deficient number, since it is larger than the sum of its proper divisors (159722).

278254 is a wasteful number, since it uses less digits than its factorization.

278254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 288 counting only the distinct ones).

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

The square root of 278254 is about 527.4978672943. The cubic root of 278254 is about 65.2850596709.

It can be divided in two parts, 27 and 8254, that added together give a square (8281 = 91²).

The spelling of 278254 in words is "two hundred seventy-eight thousand, two hundred fifty-four".