113242289 has 2 divisors, whose sum is σ = 113242290. Its totient is φ = 113242288.

The previous prime is 113242267. The next prime is 113242301. The reversal of 113242289 is 982242311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105925264 + 7317025 = 10292^2 + 2705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113242289 is a prime.

It is not a weakly prime, because it can be changed into another prime (113242589) 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, 56621144 + 56621145.

It is an arithmetic number, because the mean of its divisors is an integer number (56621145).

Almost surely, 2^113242289 is an apocalyptic number.

It is an amenable number.

113242289 is a deficient number, since it is larger than the sum of its proper divisors (1).

113242289 is an equidigital number, since it uses as much as digits as its factorization.

113242289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 113242289 is about 10641.5360263451. The cubic root of 113242289 is about 483.8041021868.

The spelling of 113242289 in words is "one hundred thirteen million, two hundred forty-two thousand, two hundred eighty-nine".