255681627 has 16 divisors (see below), whose sum is σ = 344873760. Its totient is φ = 168480000.

The previous prime is 255681623. The next prime is 255681641. The reversal of 255681627 is 726186552.

It is not a de Polignac number, because 255681627 - 2² = 255681623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255681623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195877 + ... + 197177.

It is an arithmetic number, because the mean of its divisors is an integer number (21554610).

Almost surely, 2^255681627 is an apocalyptic number.

255681627 is a deficient number, since it is larger than the sum of its proper divisors (89192133).

255681627 is a wasteful number, since it uses less digits than its factorization.

255681627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014.

The product of its digits is 201600, while the sum is 42.

The square root of 255681627 is about 15990.0477485216. The cubic root of 255681627 is about 634.6970899088.

The spelling of 255681627 in words is "two hundred fifty-five million, six hundred eighty-one thousand, six hundred twenty-seven".