1344225013 has 2 divisors, whose sum is σ = 1344225014. Its totient is φ = 1344225012.

The previous prime is 1344224989. The next prime is 1344225031. The reversal of 1344225013 is 3105224431.

Together with next prime (1344225031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1307039409 + 37185604 = 36153^2 + 6098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344225013 - 2¹³ = 1344216821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344225083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672112506 + 672112507.

It is an arithmetic number, because the mean of its divisors is an integer number (672112507).

Almost surely, 2^1344225013 is an apocalyptic number.

It is an amenable number.

1344225013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344225013 is an equidigital number, since it uses as much as digits as its factorization.

1344225013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1344225013 is about 36663.6742975933. The cubic root of 1344225013 is about 1103.6312538029.

Adding to 1344225013 its reverse (3105224431), we get a palindrome (4449449444).

The spelling of 1344225013 in words is "one billion, three hundred forty-four million, two hundred twenty-five thousand, thirteen".