113518589 has 2 divisors, whose sum is σ = 113518590. Its totient is φ = 113518588.

The previous prime is 113518567. The next prime is 113518637. The reversal of 113518589 is 985815311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101163364 + 12355225 = 10058^2 + 3515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113518589 is a prime.

It is a super-4 number, since 4×113518589⁴ (a number of 33 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113518189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56759294 + 56759295.

It is an arithmetic number, because the mean of its divisors is an integer number (56759295).

Almost surely, 2^113518589 is an apocalyptic number.

It is an amenable number.

113518589 is a deficient number, since it is larger than the sum of its proper divisors (1).

113518589 is an equidigital number, since it uses as much as digits as its factorization.

113518589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 41.

The square root of 113518589 is about 10654.5102656105. The cubic root of 113518589 is about 484.1972606784.

The spelling of 113518589 in words is "one hundred thirteen million, five hundred eighteen thousand, five hundred eighty-nine".