230245513 has 2 divisors, whose sum is σ = 230245514. Its totient is φ = 230245512.

The previous prime is 230245511. The next prime is 230245541. The reversal of 230245513 is 315542032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159062544 + 71182969 = 12612^2 + 8437^2 .

It is a cyclic number.

It is not a de Polignac number, because 230245513 - 2¹ = 230245511 is a prime.

Together with 230245511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (230245511) 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, 115122756 + 115122757.

It is an arithmetic number, because the mean of its divisors is an integer number (115122757).

Almost surely, 2^230245513 is an apocalyptic number.

It is an amenable number.

230245513 is a deficient number, since it is larger than the sum of its proper divisors (1).

230245513 is an equidigital number, since it uses as much as digits as its factorization.

230245513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 230245513 is about 15173.8430530963. The cubic root of 230245513 is about 612.9104957820.

Adding to 230245513 its reverse (315542032), we get a palindrome (545787545).

The spelling of 230245513 in words is "two hundred thirty million, two hundred forty-five thousand, five hundred thirteen".