1255163339 has 2 divisors, whose sum is σ = 1255163340. Its totient is φ = 1255163338.

The previous prime is 1255163303. The next prime is 1255163411. The reversal of 1255163339 is 9333615521.

It is a weak prime.

It is an emirp because it is prime and its reverse (9333615521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255163339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255163939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627581669 + 627581670.

It is an arithmetic number, because the mean of its divisors is an integer number (627581670).

Almost surely, 2^1255163339 is an apocalyptic number.

1255163339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255163339 is an equidigital number, since it uses as much as digits as its factorization.

1255163339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 38.

The square root of 1255163339 is about 35428.2844490105. The cubic root of 1255163339 is about 1078.6985176927.

The spelling of 1255163339 in words is "one billion, two hundred fifty-five million, one hundred sixty-three thousand, three hundred thirty-nine".