113489 has 2 divisors, whose sum is σ = 113490. Its totient is φ = 113488.

The previous prime is 113467. The next prime is 113497. The reversal of 113489 is 984311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 43264 = 265^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 113489 - 2⁸ = 113233 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (113089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56744 + 56745.

It is an arithmetic number, because the mean of its divisors is an integer number (56745).

2¹¹³⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

113489 is a deficient number, since it is larger than the sum of its proper divisors (1).

113489 is an equidigital number, since it uses as much as digits as its factorization.

113489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 113489 is about 336.8812847280. The cubic root of 113489 is about 48.4155187811.

The spelling of 113489 in words is "one hundred thirteen thousand, four hundred eighty-nine".