255548971 has 4 divisors (see below), whose sum is σ = 255845952. Its totient is φ = 255251992.

The previous prime is 255548959. The next prime is 255548999. The reversal of 255548971 is 179845552.

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 255548971 - 2⁵ = 255548939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255548171) 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, 147196 + ... + 148921.

It is an arithmetic number, because the mean of its divisors is an integer number (63961488).

Almost surely, 2^255548971 is an apocalyptic number.

255548971 is a deficient number, since it is larger than the sum of its proper divisors (296981).

255548971 is an equidigital number, since it uses as much as digits as its factorization.

255548971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296980.

The product of its digits is 504000, while the sum is 46.

The square root of 255548971 is about 15985.8991301709. The cubic root of 255548971 is about 634.5873037089.

The spelling of 255548971 in words is "two hundred fifty-five million, five hundred forty-eight thousand, nine hundred seventy-one".