1303266473 has 2 divisors, whose sum is σ = 1303266474. Its totient is φ = 1303266472.

The previous prime is 1303266451. The next prime is 1303266493. The reversal of 1303266473 is 3746623031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214661904 + 88604569 = 34852^2 + 9413^2 .

It is an emirp because it is prime and its reverse (3746623031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1303266473 - 2¹⁴ = 1303250089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303266413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651633236 + 651633237.

It is an arithmetic number, because the mean of its divisors is an integer number (651633237).

Almost surely, 2^1303266473 is an apocalyptic number.

It is an amenable number.

1303266473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303266473 is an equidigital number, since it uses as much as digits as its factorization.

1303266473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 1303266473 is about 36100.7821660418. The cubic root of 1303266473 is about 1092.3062224586.

The spelling of 1303266473 in words is "one billion, three hundred three million, two hundred sixty-six thousand, four hundred seventy-three".