255434089 has 2 divisors, whose sum is σ = 255434090. Its totient is φ = 255434088.

The previous prime is 255434087. The next prime is 255434093. The reversal of 255434089 is 980434552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247024089 + 8410000 = 15717^2 + 2900^2 .

It is a cyclic number.

It is not a de Polignac number, because 255434089 - 2¹ = 255434087 is a prime.

Together with 255434087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (255434087) 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 as a sum of consecutive naturals, namely, 127717044 + 127717045.

It is an arithmetic number, because the mean of its divisors is an integer number (127717045).

Almost surely, 2^255434089 is an apocalyptic number.

It is an amenable number.

255434089 is a deficient number, since it is larger than the sum of its proper divisors (1).

255434089 is an equidigital number, since it uses as much as digits as its factorization.

255434089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 255434089 is about 15982.3054970176. The cubic root of 255434089 is about 634.4921965813.

The spelling of 255434089 in words is "two hundred fifty-five million, four hundred thirty-four thousand, eighty-nine".