254842 has 16 divisors (see below), whose sum is σ = 443520. Its totient is φ = 107568.

The previous prime is 254833. The next prime is 254857. The reversal of 254842 is 248452.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2²⁵⁴⁸⁴² is an apocalyptic number.

254842 is a deficient number, since it is larger than the sum of its proper divisors (188678).

254842 is a wasteful number, since it uses less digits than its factorization.

254842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 2560, while the sum is 25.

The square root of 254842 is about 504.8187793654. The cubic root of 254842 is about 63.4001572307.

The spelling of 254842 in words is "two hundred fifty-four thousand, eight hundred forty-two".