1326514613 has 2 divisors, whose sum is σ = 1326514614. Its totient is φ = 1326514612.

The previous prime is 1326514591. The next prime is 1326514643. The reversal of 1326514613 is 3164156231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891500164 + 435014449 = 29858^2 + 20857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326514613 - 2¹⁰ = 1326513589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1326514613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326514643) 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, 663257306 + 663257307.

It is an arithmetic number, because the mean of its divisors is an integer number (663257307).

Almost surely, 2^1326514613 is an apocalyptic number.

It is an amenable number.

1326514613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326514613 is an equidigital number, since it uses as much as digits as its factorization.

1326514613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 1326514613 is about 36421.3483138667. The cubic root of 1326514613 is about 1098.7629655797.

The spelling of 1326514613 in words is "one billion, three hundred twenty-six million, five hundred fourteen thousand, six hundred thirteen".