63230561 has 2 divisors, whose sum is σ = 63230562. Its totient is φ = 63230560.

The previous prime is 63230551. The next prime is 63230591. The reversal of 63230561 is 16503236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59830225 + 3400336 = 7735^2 + 1844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63230561 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63230561.

It is not a weakly prime, because it can be changed into another prime (63230501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31615280 + 31615281.

It is an arithmetic number, because the mean of its divisors is an integer number (31615281).

Almost surely, 2^63230561 is an apocalyptic number.

It is an amenable number.

63230561 is a deficient number, since it is larger than the sum of its proper divisors (1).

63230561 is an equidigital number, since it uses as much as digits as its factorization.

63230561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 63230561 is about 7951.7646469196. The cubic root of 63230561 is about 398.3905348236.

Adding to 63230561 its reverse (16503236), we get a palindrome (79733797).

The spelling of 63230561 in words is "sixty-three million, two hundred thirty thousand, five hundred sixty-one".