1355344013 has 2 divisors, whose sum is σ = 1355344014. Its totient is φ = 1355344012.

The previous prime is 1355343973. The next prime is 1355344031. The reversal of 1355344013 is 3104435531.

Together with next prime (1355344031) 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., 1250117449 + 105226564 = 35357^2 + 10258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355344013 - 2⁶ = 1355343949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355344513) 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, 677672006 + 677672007.

It is an arithmetic number, because the mean of its divisors is an integer number (677672007).

Almost surely, 2^1355344013 is an apocalyptic number.

It is an amenable number.

1355344013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355344013 is an equidigital number, since it uses as much as digits as its factorization.

1355344013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1355344013 is about 36814.9971207387. The cubic root of 1355344013 is about 1106.6658637657.

Adding to 1355344013 its reverse (3104435531), we get a palindrome (4459779544).

The spelling of 1355344013 in words is "one billion, three hundred fifty-five million, three hundred forty-four thousand, thirteen".