1255880273 has 2 divisors, whose sum is σ = 1255880274. Its totient is φ = 1255880272.

The previous prime is 1255880203. The next prime is 1255880303. The reversal of 1255880273 is 3720885521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038966289 + 216913984 = 32233^2 + 14728^2 .

It is an emirp because it is prime and its reverse (3720885521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1255880273 - 2¹² = 1255876177 is a prime.

It is a super-2 number, since 2×1255880273² = 3154470520221109058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255880273.

It is not a weakly prime, because it can be changed into another prime (1255880203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627940136 + 627940137.

It is an arithmetic number, because the mean of its divisors is an integer number (627940137).

Almost surely, 2^1255880273 is an apocalyptic number.

It is an amenable number.

1255880273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255880273 is an equidigital number, since it uses as much as digits as its factorization.

1255880273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 1255880273 is about 35438.4011067091. The cubic root of 1255880273 is about 1078.9038584167.

The spelling of 1255880273 in words is "one billion, two hundred fifty-five million, eight hundred eighty thousand, two hundred seventy-three".