230770289 has 2 divisors, whose sum is σ = 230770290. Its totient is φ = 230770288.

The previous prime is 230770279. The next prime is 230770343. The reversal of 230770289 is 982077032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132066064 + 98704225 = 11492^2 + 9935^2 .

It is a cyclic number.

It is not a de Polignac number, because 230770289 - 2¹⁶ = 230704753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230770229) 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, 115385144 + 115385145.

It is an arithmetic number, because the mean of its divisors is an integer number (115385145).

Almost surely, 2^230770289 is an apocalyptic number.

It is an amenable number.

230770289 is a deficient number, since it is larger than the sum of its proper divisors (1).

230770289 is an equidigital number, since it uses as much as digits as its factorization.

230770289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 230770289 is about 15191.1253368538. The cubic root of 230770289 is about 613.3757913726.

The spelling of 230770289 in words is "two hundred thirty million, seven hundred seventy thousand, two hundred eighty-nine".