255900085 has 8 divisors (see below), whose sum is σ = 350948736. Its totient is φ = 175474320.

The previous prime is 255900083. The next prime is 255900107. The reversal of 255900085 is 580009552.

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

It is not a de Polignac number, because 255900085 - 2¹ = 255900083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255900085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255900083) 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, 3655681 + ... + 3655750.

It is an arithmetic number, because the mean of its divisors is an integer number (43868592).

Almost surely, 2^255900085 is an apocalyptic number.

It is an amenable number.

255900085 is a deficient number, since it is larger than the sum of its proper divisors (95048651).

255900085 is an equidigital number, since it uses as much as digits as its factorization.

255900085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311443.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 255900085 is about 15996.8773515333. The cubic root of 255900085 is about 634.8778031754.

The spelling of 255900085 in words is "two hundred fifty-five million, nine hundred thousand, eighty-five".