63230509 has 2 divisors, whose sum is σ = 63230510. Its totient is φ = 63230508.

The previous prime is 63230507. The next prime is 63230543. The reversal of 63230509 is 90503236.

63230509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58293225 + 4937284 = 7635^2 + 2222^2 .

It is a cyclic number.

It is not a de Polignac number, because 63230509 - 2¹ = 63230507 is a prime.

Together with 63230507, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63230501) 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, 31615254 + 31615255.

It is an arithmetic number, because the mean of its divisors is an integer number (31615255).

Almost surely, 2^63230509 is an apocalyptic number.

It is an amenable number.

63230509 is a deficient number, since it is larger than the sum of its proper divisors (1).

63230509 is an equidigital number, since it uses as much as digits as its factorization.

63230509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 63230509 is about 7951.7613772044. The cubic root of 63230509 is about 398.3904256132.

The spelling of 63230509 in words is "sixty-three million, two hundred thirty thousand, five hundred nine".