1255210273 has 2 divisors, whose sum is σ = 1255210274. Its totient is φ = 1255210272.

The previous prime is 1255210267. The next prime is 1255210373. The reversal of 1255210273 is 3720125521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749500129 + 505710144 = 27377^2 + 22488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255210273 - 2⁵ = 1255210241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255210213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627605136 + 627605137.

It is an arithmetic number, because the mean of its divisors is an integer number (627605137).

Almost surely, 2^1255210273 is an apocalyptic number.

It is an amenable number.

1255210273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255210273 is an equidigital number, since it uses as much as digits as its factorization.

1255210273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1255210273 is about 35428.9468231840. The cubic root of 1255210273 is about 1078.7119626906.

Adding to 1255210273 its reverse (3720125521), we get a palindrome (4975335794).

The spelling of 1255210273 in words is "one billion, two hundred fifty-five million, two hundred ten thousand, two hundred seventy-three".