63563579 has 2 divisors, whose sum is σ = 63563580. Its totient is φ = 63563578.

The previous prime is 63563567. The next prime is 63563597. The reversal of 63563579 is 97536536.

Together with next prime (63563597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63563579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63563179) 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, 31781789 + 31781790.

It is an arithmetic number, because the mean of its divisors is an integer number (31781790).

Almost surely, 2^63563579 is an apocalyptic number.

63563579 is a deficient number, since it is larger than the sum of its proper divisors (1).

63563579 is an equidigital number, since it uses as much as digits as its factorization.

63563579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 44.

The square root of 63563579 is about 7972.6770284516. The cubic root of 63563579 is about 399.0887150593.

The spelling of 63563579 in words is "sixty-three million, five hundred sixty-three thousand, five hundred seventy-nine".