254939 has 8 divisors (see below), whose sum is σ = 270000. Its totient is φ = 240352.

The previous prime is 254929. The next prime is 254941. The reversal of 254939 is 939452.

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

It is a de Polignac number, because none of the positive numbers 2^k-254939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637 + ... + 1785.

It is an arithmetic number, because the mean of its divisors is an integer number (33750).

2²⁵⁴⁹³⁹ is an apocalyptic number.

254939 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

254939 is a deficient number, since it is larger than the sum of its proper divisors (15061).

254939 is a wasteful number, since it uses less digits than its factorization.

254939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its digits is 9720, while the sum is 32.

The square root of 254939 is about 504.9148443055. The cubic root of 254939 is about 63.4082001687.

The spelling of 254939 in words is "two hundred fifty-four thousand, nine hundred thirty-nine".