255901271 has 4 divisors (see below), whose sum is σ = 256963344. Its totient is φ = 254839200.

The previous prime is 255901267. The next prime is 255901297. The reversal of 255901271 is 172109552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255901271 - 2² = 255901267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255901211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530675 + ... + 531156.

It is an arithmetic number, because the mean of its divisors is an integer number (64240836).

Almost surely, 2^255901271 is an apocalyptic number.

255901271 is a deficient number, since it is larger than the sum of its proper divisors (1062073).

255901271 is a wasteful number, since it uses less digits than its factorization.

255901271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062072.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 255901271 is about 15996.9144212251. The cubic root of 255901271 is about 634.8787839800.

The spelling of 255901271 in words is "two hundred fifty-five million, nine hundred one thousand, two hundred seventy-one".