113604089 has 2 divisors, whose sum is σ = 113604090. Its totient is φ = 113604088.

The previous prime is 113604079. The next prime is 113604091. The reversal of 113604089 is 980406311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93934864 + 19669225 = 9692^2 + 4435^2 .

It is an emirp because it is prime and its reverse (980406311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113604089 is a prime.

It is a super-3 number, since 3×113604089³ (a number of 25 digits) contains 333 as substring.

Together with 113604091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113604019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56802044 + 56802045.

It is an arithmetic number, because the mean of its divisors is an integer number (56802045).

Almost surely, 2^113604089 is an apocalyptic number.

It is an amenable number.

113604089 is a deficient number, since it is larger than the sum of its proper divisors (1).

113604089 is an equidigital number, since it uses as much as digits as its factorization.

113604089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 113604089 is about 10658.5218956476. The cubic root of 113604089 is about 484.3187928342.

The spelling of 113604089 in words is "one hundred thirteen million, six hundred four thousand, eighty-nine".