255368497 has 2 divisors, whose sum is σ = 255368498. Its totient is φ = 255368496.

The previous prime is 255368489. The next prime is 255368521. The reversal of 255368497 is 794863552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181683441 + 73685056 = 13479^2 + 8584^2 .

It is a cyclic number.

It is not a de Polignac number, because 255368497 - 2³ = 255368489 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255368497.

It is not a weakly prime, because it can be changed into another prime (255365497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127684248 + 127684249.

It is an arithmetic number, because the mean of its divisors is an integer number (127684249).

Almost surely, 2^255368497 is an apocalyptic number.

It is an amenable number.

255368497 is a deficient number, since it is larger than the sum of its proper divisors (1).

255368497 is an equidigital number, since it uses as much as digits as its factorization.

255368497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The square root of 255368497 is about 15980.2533459267. The cubic root of 255368497 is about 634.4378822764.

The spelling of 255368497 in words is "two hundred fifty-five million, three hundred sixty-eight thousand, four hundred ninety-seven".