229512589 has 2 divisors, whose sum is σ = 229512590. Its totient is φ = 229512588.

The previous prime is 229512581. The next prime is 229512593. The reversal of 229512589 is 985215922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221503689 + 8008900 = 14883^2 + 2830^2 .

It is a cyclic number.

It is not a de Polignac number, because 229512589 - 2³ = 229512581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229512581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114756294 + 114756295.

It is an arithmetic number, because the mean of its divisors is an integer number (114756295).

Almost surely, 2^229512589 is an apocalyptic number.

It is an amenable number.

229512589 is a deficient number, since it is larger than the sum of its proper divisors (1).

229512589 is an equidigital number, since it uses as much as digits as its factorization.

229512589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The square root of 229512589 is about 15149.6729007593. The cubic root of 229512589 is about 612.2594598446.

It can be divided in two parts, 2295 and 12589, that added together give a square (14884 = 122²).

The spelling of 229512589 in words is "two hundred twenty-nine million, five hundred twelve thousand, five hundred eighty-nine".