255960291 has 8 divisors (see below), whose sum is σ = 341603920. Its totient is φ = 170478432.

The previous prime is 255960283. The next prime is 255960311. The reversal of 255960291 is 192069552.

255960291 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 255960291 - 2³ = 255960283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255960281) 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, 36700 + ... + 43113.

It is an arithmetic number, because the mean of its divisors is an integer number (42700490).

Almost surely, 2^255960291 is an apocalyptic number.

255960291 is a deficient number, since it is larger than the sum of its proper divisors (85643629).

255960291 is a wasteful number, since it uses less digits than its factorization.

255960291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80885.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 255960291 is about 15998.7590456260. The cubic root of 255960291 is about 634.9275888249.

The spelling of 255960291 in words is "two hundred fifty-five million, nine hundred sixty thousand, two hundred ninety-one".