1263408283 has 2 divisors, whose sum is σ = 1263408284. Its totient is φ = 1263408282.

The previous prime is 1263408281. The next prime is 1263408353. The reversal of 1263408283 is 3828043621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1263408283 - 2¹ = 1263408281 is a prime.

Together with 1263408281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1263408281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631704141 + 631704142.

It is an arithmetic number, because the mean of its divisors is an integer number (631704142).

Almost surely, 2^1263408283 is an apocalyptic number.

1263408283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263408283 is an equidigital number, since it uses as much as digits as its factorization.

1263408283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1263408283 is about 35544.4550246589. The cubic root of 1263408283 is about 1081.0552908194.

The spelling of 1263408283 in words is "one billion, two hundred sixty-three million, four hundred eight thousand, two hundred eighty-three".