1316255263 has 2 divisors, whose sum is σ = 1316255264. Its totient is φ = 1316255262.

The previous prime is 1316255233. The next prime is 1316255287. The reversal of 1316255263 is 3625526131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316255263 - 2²⁵ = 1282700831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316255233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658127631 + 658127632.

It is an arithmetic number, because the mean of its divisors is an integer number (658127632).

Almost surely, 2^1316255263 is an apocalyptic number.

1316255263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316255263 is an equidigital number, since it uses as much as digits as its factorization.

1316255263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 1316255263 is about 36280.2324000274. The cubic root of 1316255263 is about 1095.9229967811.

The spelling of 1316255263 in words is "one billion, three hundred sixteen million, two hundred fifty-five thousand, two hundred sixty-three".