1307981263 has 2 divisors, whose sum is σ = 1307981264. Its totient is φ = 1307981262.

The previous prime is 1307981251. The next prime is 1307981351. The reversal of 1307981263 is 3621897031.

It is a weak prime.

It is an emirp because it is prime and its reverse (3621897031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1307981263 - 2⁵ = 1307981231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1307981063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653990631 + 653990632.

It is an arithmetic number, because the mean of its divisors is an integer number (653990632).

Almost surely, 2^1307981263 is an apocalyptic number.

1307981263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307981263 is an equidigital number, since it uses as much as digits as its factorization.

1307981263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1307981263 is about 36166.0235995057. The cubic root of 1307981263 is about 1093.6218389457.

The spelling of 1307981263 in words is "one billion, three hundred seven million, nine hundred eighty-one thousand, two hundred sixty-three".