113180489 has 2 divisors, whose sum is σ = 113180490. Its totient is φ = 113180488.

The previous prime is 113180443. The next prime is 113180503. The reversal of 113180489 is 984081311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112190464 + 990025 = 10592^2 + 995^2 .

It is an emirp because it is prime and its reverse (984081311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113180489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113180689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56590244 + 56590245.

It is an arithmetic number, because the mean of its divisors is an integer number (56590245).

Almost surely, 2^113180489 is an apocalyptic number.

It is an amenable number.

113180489 is a deficient number, since it is larger than the sum of its proper divisors (1).

113180489 is an equidigital number, since it uses as much as digits as its factorization.

113180489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 113180489 is about 10638.6319139258. The cubic root of 113180489 is about 483.7160769612.

The spelling of 113180489 in words is "one hundred thirteen million, one hundred eighty thousand, four hundred eighty-nine".