232969409 has 2 divisors, whose sum is σ = 232969410. Its totient is φ = 232969408.

The previous prime is 232969367. The next prime is 232969493. The reversal of 232969409 is 904969232.

232969409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189145009 + 43824400 = 13753^2 + 6620^2 .

It is a cyclic number.

It is not a de Polignac number, because 232969409 - 2¹⁶ = 232903873 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232969409.

It is not a weakly prime, because it can be changed into another prime (232965409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116484704 + 116484705.

It is an arithmetic number, because the mean of its divisors is an integer number (116484705).

Almost surely, 2^232969409 is an apocalyptic number.

It is an amenable number.

232969409 is a deficient number, since it is larger than the sum of its proper divisors (1).

232969409 is an equidigital number, since it uses as much as digits as its factorization.

232969409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 232969409 is about 15263.3354480598. The cubic root of 232969409 is about 615.3180182630.

The spelling of 232969409 in words is "two hundred thirty-two million, nine hundred sixty-nine thousand, four hundred nine".