255881579 has 2 divisors, whose sum is σ = 255881580. Its totient is φ = 255881578.

The previous prime is 255881567. The next prime is 255881609. The reversal of 255881579 is 975188552.

It is a happy number.

255881579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255881579 - 2⁸ = 255881323 is a prime.

It is not a weakly prime, because it can be changed into another prime (255881539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127940789 + 127940790.

It is an arithmetic number, because the mean of its divisors is an integer number (127940790).

Almost surely, 2^255881579 is an apocalyptic number.

255881579 is a deficient number, since it is larger than the sum of its proper divisors (1).

255881579 is an equidigital number, since it uses as much as digits as its factorization.

255881579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 50.

The square root of 255881579 is about 15996.2989156867. The cubic root of 255881579 is about 634.8624985930.

The spelling of 255881579 in words is "two hundred fifty-five million, eight hundred eighty-one thousand, five hundred seventy-nine".