113285089 has 2 divisors, whose sum is σ = 113285090. Its totient is φ = 113285088.

The previous prime is 113285069. The next prime is 113285101. The reversal of 113285089 is 980582311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 2614689 = 10520^2 + 1617^2 .

It is a cyclic number.

It is not a de Polignac number, because 113285089 - 2⁷ = 113284961 is a prime.

It is a super-2 number, since 2×113285089² = 25667022779475842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113285069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56642544 + 56642545.

It is an arithmetic number, because the mean of its divisors is an integer number (56642545).

Almost surely, 2^113285089 is an apocalyptic number.

It is an amenable number.

113285089 is a deficient number, since it is larger than the sum of its proper divisors (1).

113285089 is an equidigital number, since it uses as much as digits as its factorization.

113285089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 113285089 is about 10643.5468242499. The cubic root of 113285089 is about 483.8650458725.

The spelling of 113285089 in words is "one hundred thirteen million, two hundred eighty-five thousand, eighty-nine".