255422441 has 2 divisors, whose sum is σ = 255422442. Its totient is φ = 255422440.

The previous prime is 255422411. The next prime is 255422449. The reversal of 255422441 is 144224552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219662041 + 35760400 = 14821^2 + 5980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255422441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255422449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127711220 + 127711221.

It is an arithmetic number, because the mean of its divisors is an integer number (127711221).

Almost surely, 2^255422441 is an apocalyptic number.

It is an amenable number.

255422441 is a deficient number, since it is larger than the sum of its proper divisors (1).

255422441 is an equidigital number, since it uses as much as digits as its factorization.

255422441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 29.

The square root of 255422441 is about 15981.9410898677. The cubic root of 255422441 is about 634.4825519831.

Adding to 255422441 its reverse (144224552), we get a palindrome (399646993).

The spelling of 255422441 in words is "two hundred fifty-five million, four hundred twenty-two thousand, four hundred forty-one".