113444489 has 2 divisors, whose sum is σ = 113444490. Its totient is φ = 113444488.

The previous prime is 113444437. The next prime is 113444501. The reversal of 113444489 is 984444311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 25928464 = 9355^2 + 5092^2 .

It is a cyclic number.

It is not a de Polignac number, because 113444489 - 2¹⁶ = 113378953 is a prime.

It is a super-2 number, since 2×113444489² = 25739304168942242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (113444189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56722244 + 56722245.

It is an arithmetic number, because the mean of its divisors is an integer number (56722245).

Almost surely, 2^113444489 is an apocalyptic number.

It is an amenable number.

113444489 is a deficient number, since it is larger than the sum of its proper divisors (1).

113444489 is an equidigital number, since it uses as much as digits as its factorization.

113444489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 113444489 is about 10651.0322973879. The cubic root of 113444489 is about 484.0918834389.

The spelling of 113444489 in words is "one hundred thirteen million, four hundred forty-four thousand, four hundred eighty-nine".