255760385 has 16 divisors (see below), whose sum is σ = 320097792. Its totient is φ = 195955200.

The previous prime is 255760369. The next prime is 255760423. The reversal of 255760385 is 583067552.

It is not a de Polignac number, because 255760385 - 2⁴ = 255760369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6530 + ... + 23540.

It is an arithmetic number, because the mean of its divisors is an integer number (20006112).

Almost surely, 2^255760385 is an apocalyptic number.

It is an amenable number.

255760385 is a deficient number, since it is larger than the sum of its proper divisors (64337407).

255760385 is a wasteful number, since it uses less digits than its factorization.

255760385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17144.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 255760385 is about 15992.5102782521. The cubic root of 255760385 is about 634.7622521215.

The spelling of 255760385 in words is "two hundred fifty-five million, seven hundred sixty thousand, three hundred eighty-five".