63563497 has 2 divisors, whose sum is σ = 63563498. Its totient is φ = 63563496.

The previous prime is 63563477. The next prime is 63563537. The reversal of 63563497 is 79436536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31990336 + 31573161 = 5656^2 + 5619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63563497 is a prime.

It is not a weakly prime, because it can be changed into another prime (63563477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31781748 + 31781749.

It is an arithmetic number, because the mean of its divisors is an integer number (31781749).

Almost surely, 2^63563497 is an apocalyptic number.

It is an amenable number.

63563497 is a deficient number, since it is larger than the sum of its proper divisors (1).

63563497 is an equidigital number, since it uses as much as digits as its factorization.

63563497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 43.

The square root of 63563497 is about 7972.6718858862. The cubic root of 63563497 is about 399.0885434449.

The spelling of 63563497 in words is "sixty-three million, five hundred sixty-three thousand, four hundred ninety-seven".