63563567 has 2 divisors, whose sum is σ = 63563568. Its totient is φ = 63563566.

The previous prime is 63563551. The next prime is 63563579. The reversal of 63563567 is 76536536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63563567 - 2⁴ = 63563551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63563537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31781783 + 31781784.

It is an arithmetic number, because the mean of its divisors is an integer number (31781784).

Almost surely, 2^63563567 is an apocalyptic number.

63563567 is a deficient number, since it is larger than the sum of its proper divisors (1).

63563567 is an equidigital number, since it uses as much as digits as its factorization.

63563567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 41.

The square root of 63563567 is about 7972.6762758813. The cubic root of 63563567 is about 399.0886899450.

The spelling of 63563567 in words is "sixty-three million, five hundred sixty-three thousand, five hundred sixty-seven".