1255442063 has 2 divisors, whose sum is σ = 1255442064. Its totient is φ = 1255442062.

The previous prime is 1255442003. The next prime is 1255442077. The reversal of 1255442063 is 3602445521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255442063 - 2²⁸ = 987006607 is a prime.

It is a super-2 number, since 2×1255442063² = 3152269547099391938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255442003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627721031 + 627721032.

It is an arithmetic number, because the mean of its divisors is an integer number (627721032).

Almost surely, 2^1255442063 is an apocalyptic number.

1255442063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255442063 is an equidigital number, since it uses as much as digits as its factorization.

1255442063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1255442063 is about 35432.2178673591. The cubic root of 1255442063 is about 1078.7783577433.

Adding to 1255442063 its reverse (3602445521), we get a palindrome (4857887584).

The spelling of 1255442063 in words is "one billion, two hundred fifty-five million, four hundred forty-two thousand, sixty-three".