113232209 has 2 divisors, whose sum is σ = 113232210. Its totient is φ = 113232208.

The previous prime is 113232199. The next prime is 113232239. The reversal of 113232209 is 902232311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73479184 + 39753025 = 8572^2 + 6305^2 .

It is a cyclic number.

It is not a de Polignac number, because 113232209 - 2⁸ = 113231953 is a prime.

It is not a weakly prime, because it can be changed into another prime (113232239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56616104 + 56616105.

It is an arithmetic number, because the mean of its divisors is an integer number (56616105).

Almost surely, 2^113232209 is an apocalyptic number.

It is an amenable number.

113232209 is a deficient number, since it is larger than the sum of its proper divisors (1).

113232209 is an equidigital number, since it uses as much as digits as its factorization.

113232209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 113232209 is about 10641.0623999674. The cubic root of 113232209 is about 483.7897468605.

The spelling of 113232209 in words is "one hundred thirteen million, two hundred thirty-two thousand, two hundred nine".