1613323427 has 2 divisors, whose sum is σ = 1613323428. Its totient is φ = 1613323426.

The previous prime is 1613323357. The next prime is 1613323451. The reversal of 1613323427 is 7243233161.

It is a strong prime.

It is an emirp because it is prime and its reverse (7243233161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1613323427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1613323393 and 1613323402.

It is not a weakly prime, because it can be changed into another prime (1613323627) 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, 806661713 + 806661714.

It is an arithmetic number, because the mean of its divisors is an integer number (806661714).

Almost surely, 2^1613323427 is an apocalyptic number.

1613323427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613323427 is an equidigital number, since it uses as much as digits as its factorization.

1613323427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 1613323427 is about 40166.1975671086. The cubic root of 1613323427 is about 1172.8446201427.

Adding to 1613323427 its reverse (7243233161), we get a palindrome (8856556588).

The spelling of 1613323427 in words is "one billion, six hundred thirteen million, three hundred twenty-three thousand, four hundred twenty-seven".