232979609 has 2 divisors, whose sum is σ = 232979610. Its totient is φ = 232979608.

The previous prime is 232979599. The next prime is 232979623. The reversal of 232979609 is 906979232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199374400 + 33605209 = 14120^2 + 5797^2 .

It is a cyclic number.

It is not a de Polignac number, because 232979609 - 2¹² = 232975513 is a prime.

It is not a weakly prime, because it can be changed into another prime (232979309) 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, 116489804 + 116489805.

It is an arithmetic number, because the mean of its divisors is an integer number (116489805).

Almost surely, 2^232979609 is an apocalyptic number.

It is an amenable number.

232979609 is a deficient number, since it is larger than the sum of its proper divisors (1).

232979609 is an equidigital number, since it uses as much as digits as its factorization.

232979609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 232979609 is about 15263.6695784467. The cubic root of 232979609 is about 615.3269982005.

The spelling of 232979609 in words is "two hundred thirty-two million, nine hundred seventy-nine thousand, six hundred nine".