1328597113 has 2 divisors, whose sum is σ = 1328597114. Its totient is φ = 1328597112.

The previous prime is 1328597099. The next prime is 1328597117. The reversal of 1328597113 is 3117958231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210831209 + 117765904 = 34797^2 + 10852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1328597113 - 2⁹ = 1328596601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1328597117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664298556 + 664298557.

It is an arithmetic number, because the mean of its divisors is an integer number (664298557).

Almost surely, 2^1328597113 is an apocalyptic number.

It is an amenable number.

1328597113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328597113 is an equidigital number, since it uses as much as digits as its factorization.

1328597113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 1328597113 is about 36449.9261041775. The cubic root of 1328597113 is about 1099.3376489121.

The spelling of 1328597113 in words is "one billion, three hundred twenty-eight million, five hundred ninety-seven thousand, one hundred thirteen".