63140563 has 2 divisors, whose sum is σ = 63140564. Its totient is φ = 63140562.

The previous prime is 63140557. The next prime is 63140573. The reversal of 63140563 is 36504136.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63140563 is a prime.

It is not a weakly prime, because it can be changed into another prime (63140503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570281 + 31570282.

It is an arithmetic number, because the mean of its divisors is an integer number (31570282).

Almost surely, 2^63140563 is an apocalyptic number.

63140563 is a deficient number, since it is larger than the sum of its proper divisors (1).

63140563 is an equidigital number, since it uses as much as digits as its factorization.

63140563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 63140563 is about 7946.1036363742. The cubic root of 63140563 is about 398.2014312471.

Adding to 63140563 its reverse (36504136), we get a palindrome (99644699).

The spelling of 63140563 in words is "sixty-three million, one hundred forty thousand, five hundred sixty-three".