232354489 has 2 divisors, whose sum is σ = 232354490. Its totient is φ = 232354488.

The previous prime is 232354483. The next prime is 232354513. The reversal of 232354489 is 984453232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231283264 + 1071225 = 15208^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 232354489 - 2³ = 232354481 is a prime.

It is a super-2 number, since 2×232354489² = 107977217116902242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (232354481) 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, 116177244 + 116177245.

It is an arithmetic number, because the mean of its divisors is an integer number (116177245).

Almost surely, 2^232354489 is an apocalyptic number.

It is an amenable number.

232354489 is a deficient number, since it is larger than the sum of its proper divisors (1).

232354489 is an equidigital number, since it uses as much as digits as its factorization.

232354489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 232354489 is about 15243.1784415193. The cubic root of 232354489 is about 614.7761663683.

The spelling of 232354489 in words is "two hundred thirty-two million, three hundred fifty-four thousand, four hundred eighty-nine".