255044189 has 2 divisors, whose sum is σ = 255044190. Its totient is φ = 255044188.

The previous prime is 255044177. The next prime is 255044213. The reversal of 255044189 is 981440552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140232964 + 114811225 = 11842^2 + 10715^2 .

It is a cyclic number.

It is not a de Polignac number, because 255044189 - 2⁸ = 255043933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255044159) 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, 127522094 + 127522095.

It is an arithmetic number, because the mean of its divisors is an integer number (127522095).

Almost surely, 2^255044189 is an apocalyptic number.

It is an amenable number.

255044189 is a deficient number, since it is larger than the sum of its proper divisors (1).

255044189 is an equidigital number, since it uses as much as digits as its factorization.

255044189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 255044189 is about 15970.1029739949. The cubic root of 255044189 is about 634.1691980753.

The spelling of 255044189 in words is "two hundred fifty-five million, forty-four thousand, one hundred eighty-nine".