63197663 has 2 divisors, whose sum is σ = 63197664. Its totient is φ = 63197662.

The previous prime is 63197621. The next prime is 63197707. The reversal of 63197663 is 36679136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63197663 - 2⁶ = 63197599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63197663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63190663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31598831 + 31598832.

It is an arithmetic number, because the mean of its divisors is an integer number (31598832).

Almost surely, 2^63197663 is an apocalyptic number.

63197663 is a deficient number, since it is larger than the sum of its proper divisors (1).

63197663 is an equidigital number, since it uses as much as digits as its factorization.

63197663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 63197663 is about 7949.6957803428. The cubic root of 63197663 is about 398.3214304472.

The spelling of 63197663 in words is "sixty-three million, one hundred ninety-seven thousand, six hundred sixty-three".