255600281 has 2 divisors, whose sum is σ = 255600282. Its totient is φ = 255600280.

The previous prime is 255600269. The next prime is 255600307. The reversal of 255600281 is 182006552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205062400 + 50537881 = 14320^2 + 7109^2 .

It is a cyclic number.

It is not a de Polignac number, because 255600281 - 2¹⁸ = 255338137 is a prime.

It is a super-2 number, since 2×255600281² = 130663007294557922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255600481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127800140 + 127800141.

It is an arithmetic number, because the mean of its divisors is an integer number (127800141).

Almost surely, 2^255600281 is an apocalyptic number.

It is an amenable number.

255600281 is a deficient number, since it is larger than the sum of its proper divisors (1).

255600281 is an equidigital number, since it uses as much as digits as its factorization.

255600281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 255600281 is about 15987.5039014851. The cubic root of 255600281 is about 634.6297724061.

The spelling of 255600281 in words is "two hundred fifty-five million, six hundred thousand, two hundred eighty-one".