113246209 has 2 divisors, whose sum is σ = 113246210. Its totient is φ = 113246208.

The previous prime is 113246183. The next prime is 113246249. The reversal of 113246209 is 902642311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69355584 + 43890625 = 8328^2 + 6625^2 .

It is a cyclic number.

It is not a de Polignac number, because 113246209 - 2¹⁷ = 113115137 is a prime.

It is not a weakly prime, because it can be changed into another prime (113246249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a Pierpont prime, being equal to 2²² ⋅ 3³ + 1.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56623104 + 56623105.

It is an arithmetic number, because the mean of its divisors is an integer number (56623105).

It is a Proth number, since it is equal to 27 ⋅ 2²² + 1 and 27 < 2²².

Almost surely, 2^113246209 is an apocalyptic number.

It is an amenable number.

113246209 is a deficient number, since it is larger than the sum of its proper divisors (1).

113246209 is an equidigital number, since it uses as much as digits as its factorization.

113246209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 113246209 is about 10641.7202086881. The cubic root of 113246209 is about 483.8096845837.

The spelling of 113246209 in words is "one hundred thirteen million, two hundred forty-six thousand, two hundred nine".