255239085 has 8 divisors (see below), whose sum is σ = 408382560. Its totient is φ = 136127504.

The previous prime is 255239077. The next prime is 255239111. The reversal of 255239085 is 580932552.

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

It is a cyclic number.

It is not a de Polignac number, because 255239085 - 2³ = 255239077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8507955 + ... + 8507984.

It is an arithmetic number, because the mean of its divisors is an integer number (51047820).

Almost surely, 2^255239085 is an apocalyptic number.

It is an amenable number.

255239085 is a deficient number, since it is larger than the sum of its proper divisors (153143475).

255239085 is a wasteful number, since it uses less digits than its factorization.

255239085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17015947.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 255239085 is about 15976.2037105190. The cubic root of 255239085 is about 634.3306937113.

The spelling of 255239085 in words is "two hundred fifty-five million, two hundred thirty-nine thousand, eighty-five".