1303424249 has 2 divisors, whose sum is σ = 1303424250. Its totient is φ = 1303424248.

The previous prime is 1303424219. The next prime is 1303424251. The reversal of 1303424249 is 9424243031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1299097849 + 4326400 = 36043^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303424249 - 2²⁰ = 1302375673 is a prime.

It is a Sophie Germain prime.

Together with 1303424251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1303424209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651712124 + 651712125.

It is an arithmetic number, because the mean of its divisors is an integer number (651712125).

Almost surely, 2^1303424249 is an apocalyptic number.

It is an amenable number.

1303424249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303424249 is an equidigital number, since it uses as much as digits as its factorization.

1303424249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1303424249 is about 36102.9673157207. The cubic root of 1303424249 is about 1092.3502995925.

The spelling of 1303424249 in words is "one billion, three hundred three million, four hundred twenty-four thousand, two hundred forty-nine".