1113413897 has 2 divisors, whose sum is σ = 1113413898. Its totient is φ = 1113413896.

The previous prime is 1113413881. The next prime is 1113413947. The reversal of 1113413897 is 7983143111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652495936 + 460917961 = 25544^2 + 21469^2 .

It is an emirp because it is prime and its reverse (7983143111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113413897 - 2⁴ = 1113413881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113413897.

It is not a weakly prime, because it can be changed into another prime (1113413857) 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, 556706948 + 556706949.

It is an arithmetic number, because the mean of its divisors is an integer number (556706949).

Almost surely, 2^1113413897 is an apocalyptic number.

It is an amenable number.

1113413897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113413897 is an equidigital number, since it uses as much as digits as its factorization.

1113413897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 1113413897 is about 33367.8572431614. The cubic root of 1113413897 is about 1036.4592040234.

The spelling of 1113413897 in words is "one billion, one hundred thirteen million, four hundred thirteen thousand, eight hundred ninety-seven".