255427 has 4 divisors (see below), whose sum is σ = 259000. Its totient is φ = 251856.

The previous prime is 255419. The next prime is 255443. The reversal of 255427 is 724552.

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 255427 - 2³ = 255419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677 + ... + 1822.

It is an arithmetic number, because the mean of its divisors is an integer number (64750).

2²⁵⁵⁴²⁷ is an apocalyptic number.

255427 is a deficient number, since it is larger than the sum of its proper divisors (3573).

255427 is an equidigital number, since it uses as much as digits as its factorization.

255427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572.

The product of its digits is 2800, while the sum is 25.

The square root of 255427 is about 505.3978630742. The cubic root of 255427 is about 63.4486326891.

Adding to 255427 its reverse (724552), we get a palindrome (979979).

The spelling of 255427 in words is "two hundred fifty-five thousand, four hundred twenty-seven".