230560289 has 2 divisors, whose sum is σ = 230560290. Its totient is φ = 230560288.

The previous prime is 230560277. The next prime is 230560301. The reversal of 230560289 is 982065032.

It is a balanced prime because it is at equal distance from previous prime (230560277) and next prime (230560301).

It can be written as a sum of positive squares in only one way, i.e., 182466064 + 48094225 = 13508^2 + 6935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230560289 is a prime.

It is a Chen prime.

It is equal to p_12671657 and since 230560289 and 12671657 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (230560249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115280144 + 115280145.

It is an arithmetic number, because the mean of its divisors is an integer number (115280145).

Almost surely, 2^230560289 is an apocalyptic number.

It is an amenable number.

230560289 is a deficient number, since it is larger than the sum of its proper divisors (1).

230560289 is an equidigital number, since it uses as much as digits as its factorization.

230560289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 230560289 is about 15184.2118333485. The cubic root of 230560289 is about 613.1896784370.

The spelling of 230560289 in words is "two hundred thirty million, five hundred sixty thousand, two hundred eighty-nine".