1442451317 has 2 divisors, whose sum is σ = 1442451318. Its totient is φ = 1442451316.

The previous prime is 1442451281. The next prime is 1442451331. The reversal of 1442451317 is 7131542441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1404825361 + 37625956 = 37481^2 + 6134^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442451317 - 2¹⁰ = 1442450293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442451817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721225658 + 721225659.

It is an arithmetic number, because the mean of its divisors is an integer number (721225659).

Almost surely, 2^1442451317 is an apocalyptic number.

It is an amenable number.

1442451317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442451317 is an equidigital number, since it uses as much as digits as its factorization.

1442451317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 1442451317 is about 37979.6171255056. The cubic root of 1442451317 is about 1129.8836429646.

Adding to 1442451317 its reverse (7131542441), we get a palindrome (8573993758).

The spelling of 1442451317 in words is "one billion, four hundred forty-two million, four hundred fifty-one thousand, three hundred seventeen".