1349320513 has 2 divisors, whose sum is σ = 1349320514. Its totient is φ = 1349320512.

The previous prime is 1349320499. The next prime is 1349320519. The reversal of 1349320513 is 3150239431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 920333569 + 428986944 = 30337^2 + 20712^2 .

It is an emirp because it is prime and its reverse (3150239431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1349320513 - 2¹⁷ = 1349189441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1349320519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674660256 + 674660257.

It is an arithmetic number, because the mean of its divisors is an integer number (674660257).

Almost surely, 2^1349320513 is an apocalyptic number.

It is an amenable number.

1349320513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349320513 is an equidigital number, since it uses as much as digits as its factorization.

1349320513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1349320513 is about 36733.0983310692. The cubic root of 1349320513 is about 1105.0239924358.

Adding to 1349320513 its reverse (3150239431), we get a palindrome (4499559944).

The spelling of 1349320513 in words is "one billion, three hundred forty-nine million, three hundred twenty thousand, five hundred thirteen".