1255245113 has 2 divisors, whose sum is σ = 1255245114. Its totient is φ = 1255245112.

The previous prime is 1255245083. The next prime is 1255245137. The reversal of 1255245113 is 3115425521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1167110569 + 88134544 = 34163^2 + 9388^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255245113 - 2⁶ = 1255245049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255245413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627622556 + 627622557.

It is an arithmetic number, because the mean of its divisors is an integer number (627622557).

Almost surely, 2^1255245113 is an apocalyptic number.

It is an amenable number.

1255245113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255245113 is an equidigital number, since it uses as much as digits as its factorization.

1255245113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 29.

The square root of 1255245113 is about 35429.4385081107. The cubic root of 1255245113 is about 1078.7219429512.

The spelling of 1255245113 in words is "one billion, two hundred fifty-five million, two hundred forty-five thousand, one hundred thirteen".