1248349717 has 2 divisors, whose sum is σ = 1248349718. Its totient is φ = 1248349716.

The previous prime is 1248349709. The next prime is 1248349733. The reversal of 1248349717 is 7179438421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005270436 + 243079281 = 31706^2 + 15591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248349717 - 2³ = 1248349709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248349787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624174858 + 624174859.

It is an arithmetic number, because the mean of its divisors is an integer number (624174859).

Almost surely, 2^1248349717 is an apocalyptic number.

It is an amenable number.

1248349717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248349717 is an equidigital number, since it uses as much as digits as its factorization.

1248349717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 1248349717 is about 35331.9928252002. The cubic root of 1248349717 is about 1076.7430793162.

The spelling of 1248349717 in words is "one billion, two hundred forty-eight million, three hundred forty-nine thousand, seven hundred seventeen".