255331439 has 8 divisors (see below), whose sum is σ = 282701568. Its totient is φ = 228654360.

The previous prime is 255331423. The next prime is 255331459. The reversal of 255331439 is 934133552.

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

It is not a de Polignac number, because 255331439 - 2⁴ = 255331423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255331399 and 255331408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255331459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172487 + ... + 173960.

It is an arithmetic number, because the mean of its divisors is an integer number (35337696).

Almost surely, 2^255331439 is an apocalyptic number.

255331439 is a deficient number, since it is larger than the sum of its proper divisors (27370129).

255331439 is a wasteful number, since it uses less digits than its factorization.

255331439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346525.

The product of its digits is 48600, while the sum is 35.

The square root of 255331439 is about 15979.0938103511. The cubic root of 255331439 is about 634.4071918079.

The spelling of 255331439 in words is "two hundred fifty-five million, three hundred thirty-one thousand, four hundred thirty-nine".