255238 has 8 divisors (see below), whose sum is σ = 405432. Its totient is φ = 120096.

The previous prime is 255217. The next prime is 255239. The reversal of 255238 is 832552.

255238 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 sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255239) by changing a digit.

255238 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 in 3 ways as a sum of consecutive naturals, for example, 3720 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (50679).

2²⁵⁵²³⁸ is an apocalyptic number.

255238 is a deficient number, since it is larger than the sum of its proper divisors (150194).

255238 is a wasteful number, since it uses less digits than its factorization.

255238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526.

The product of its digits is 2400, while the sum is 25.

The square root of 255238 is about 505.2108470728. The cubic root of 255238 is about 63.4329794881.

The spelling of 255238 in words is "two hundred fifty-five thousand, two hundred thirty-eight".