232401289 has 2 divisors, whose sum is σ = 232401290. Its totient is φ = 232401288.

The previous prime is 232401227. The next prime is 232401319. The reversal of 232401289 is 982104232.

232401289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156450064 + 75951225 = 12508^2 + 8715^2 .

It is a cyclic number.

It is not a de Polignac number, because 232401289 - 2¹⁷ = 232270217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232401289.

It is not a weakly prime, because it can be changed into another prime (232401089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116200644 + 116200645.

It is an arithmetic number, because the mean of its divisors is an integer number (116200645).

Almost surely, 2^232401289 is an apocalyptic number.

It is an amenable number.

232401289 is a deficient number, since it is larger than the sum of its proper divisors (1).

232401289 is an equidigital number, since it uses as much as digits as its factorization.

232401289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 232401289 is about 15244.7134771369. The cubic root of 232401289 is about 614.8174389274.

The spelling of 232401289 in words is "two hundred thirty-two million, four hundred one thousand, two hundred eighty-nine".