113433209 has 2 divisors, whose sum is σ = 113433210. Its totient is φ = 113433208.

The previous prime is 113433193. The next prime is 113433233. The reversal of 113433209 is 902334311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66373609 + 47059600 = 8147^2 + 6860^2 .

It is a cyclic number.

It is not a de Polignac number, because 113433209 - 2⁴ = 113433193 is a prime.

It is not a weakly prime, because it can be changed into another prime (113433109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56716604 + 56716605.

It is an arithmetic number, because the mean of its divisors is an integer number (56716605).

Almost surely, 2^113433209 is an apocalyptic number.

It is an amenable number.

113433209 is a deficient number, since it is larger than the sum of its proper divisors (1).

113433209 is an equidigital number, since it uses as much as digits as its factorization.

113433209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 113433209 is about 10650.5027580861. The cubic root of 113433209 is about 484.0758381834.

It can be divided in two parts, 1134 and 33209, that added together give a palindrome (34343).

The spelling of 113433209 in words is "one hundred thirteen million, four hundred thirty-three thousand, two hundred nine".