232012289 has 2 divisors, whose sum is σ = 232012290. Its totient is φ = 232012288.

The previous prime is 232012229. The next prime is 232012331. The reversal of 232012289 is 982210232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208080625 + 23931664 = 14425^2 + 4892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232012289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232012229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116006144 + 116006145.

It is an arithmetic number, because the mean of its divisors is an integer number (116006145).

Almost surely, 2^232012289 is an apocalyptic number.

It is an amenable number.

232012289 is a deficient number, since it is larger than the sum of its proper divisors (1).

232012289 is an equidigital number, since it uses as much as digits as its factorization.

232012289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 232012289 is about 15231.9496125742. The cubic root of 232012289 is about 614.4742142851.

The spelling of 232012289 in words is "two hundred thirty-two million, twelve thousand, two hundred eighty-nine".