255807271 has 8 divisors (see below), whose sum is σ = 259526160. Its totient is φ = 252107328.

The previous prime is 255807247. The next prime is 255807287. The reversal of 255807271 is 172708552.

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 255807271 - 2⁵ = 255807239 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 255807271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255807571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23680 + ... + 32746.

It is an arithmetic number, because the mean of its divisors is an integer number (32440770).

Almost surely, 2^255807271 is an apocalyptic number.

255807271 is a deficient number, since it is larger than the sum of its proper divisors (3718889).

255807271 is an equidigital number, since it uses as much as digits as its factorization.

255807271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 255807271 is about 15993.9760847639. The cubic root of 255807271 is about 634.8010379621.

The spelling of 255807271 in words is "two hundred fifty-five million, eight hundred seven thousand, two hundred seventy-one".