232705609 has 2 divisors, whose sum is σ = 232705610. Its totient is φ = 232705608.

The previous prime is 232705573. The next prime is 232705643. The reversal of 232705609 is 906507232.

It is a happy number.

It is an a-pointer prime, because the next prime (232705643) can be obtained adding 232705609 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148157584 + 84548025 = 12172^2 + 9195^2 .

It is a cyclic number.

It is not a de Polignac number, because 232705609 - 2²⁵ = 199151177 is a prime.

It is not a weakly prime, because it can be changed into another prime (232705679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116352804 + 116352805.

It is an arithmetic number, because the mean of its divisors is an integer number (116352805).

Almost surely, 2^232705609 is an apocalyptic number.

It is an amenable number.

232705609 is a deficient number, since it is larger than the sum of its proper divisors (1).

232705609 is an equidigital number, since it uses as much as digits as its factorization.

232705609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 232705609 is about 15254.6913767536. The cubic root of 232705609 is about 615.0856813226.

The spelling of 232705609 in words is "two hundred thirty-two million, seven hundred five thousand, six hundred nine".