63266563 has 4 divisors (see below), whose sum is σ = 63369720. Its totient is φ = 63163408.

The previous prime is 63266551. The next prime is 63266569. The reversal of 63266563 is 36566236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63266563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63266569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50653 + ... + 51886.

It is an arithmetic number, because the mean of its divisors is an integer number (15842430).

Almost surely, 2^63266563 is an apocalyptic number.

63266563 is a deficient number, since it is larger than the sum of its proper divisors (103157).

63266563 is a wasteful number, since it uses less digits than its factorization.

63266563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103156.

The product of its digits is 116640, while the sum is 37.

The square root of 63266563 is about 7954.0280990200. The cubic root of 63266563 is about 398.4661318899.

The spelling of 63266563 in words is "sixty-three million, two hundred sixty-six thousand, five hundred sixty-three".