63608243 has 2 divisors, whose sum is σ = 63608244. Its totient is φ = 63608242.

The previous prime is 63608239. The next prime is 63608263. The reversal of 63608243 is 34280636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63608243 - 2² = 63608239 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (63608263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31804121 + 31804122.

It is an arithmetic number, because the mean of its divisors is an integer number (31804122).

Almost surely, 2^63608243 is an apocalyptic number.

63608243 is a deficient number, since it is larger than the sum of its proper divisors (1).

63608243 is an equidigital number, since it uses as much as digits as its factorization.

63608243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 63608243 is about 7975.4776032536. The cubic root of 63608243 is about 399.1821686024.

Adding to 63608243 its reverse (34280636), we get a palindrome (97888879).

The spelling of 63608243 in words is "sixty-three million, six hundred eight thousand, two hundred forty-three".