1255066873 has 2 divisors, whose sum is σ = 1255066874. Its totient is φ = 1255066872.

The previous prime is 1255066823. The next prime is 1255066889. The reversal of 1255066873 is 3786605521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114691769 + 140375104 = 33387^2 + 11848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255066873 - 2²¹ = 1252969721 is a prime.

It is a super-3 number, since 3×1255066873³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1255066823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627533436 + 627533437.

It is an arithmetic number, because the mean of its divisors is an integer number (627533437).

Almost surely, 2^1255066873 is an apocalyptic number.

It is an amenable number.

1255066873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255066873 is an equidigital number, since it uses as much as digits as its factorization.

1255066873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 1255066873 is about 35426.9229965008. The cubic root of 1255066873 is about 1078.6708824058.

The spelling of 1255066873 in words is "one billion, two hundred fifty-five million, sixty-six thousand, eight hundred seventy-three".