1304768263 has 2 divisors, whose sum is σ = 1304768264. Its totient is φ = 1304768262.

The previous prime is 1304768189. The next prime is 1304768273. The reversal of 1304768263 is 3628674031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304768263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304768273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652384131 + 652384132.

It is an arithmetic number, because the mean of its divisors is an integer number (652384132).

Almost surely, 2^1304768263 is an apocalyptic number.

1304768263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304768263 is an equidigital number, since it uses as much as digits as its factorization.

1304768263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1304768263 is about 36121.5761422450. The cubic root of 1304768263 is about 1092.7256262926.

It can be divided in two parts, 1304768 and 263, that added together give a palindrome (1305031).

The spelling of 1304768263 in words is "one billion, three hundred four million, seven hundred sixty-eight thousand, two hundred sixty-three".