501322563 has 12 divisors (see below), whose sum is σ = 827580208. Its totient is φ = 286470000.

The previous prime is 501322561. The next prime is 501322589. The reversal of 501322563 is 365223105.

It is not a de Polignac number, because 501322563 - 2¹ = 501322561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501322561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3978688 + ... + 3978813.

Almost surely, 2^501322563 is an apocalyptic number.

501322563 is a deficient number, since it is larger than the sum of its proper divisors (326257645).

501322563 is a wasteful number, since it uses less digits than its factorization.

501322563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957514 (or 7957511 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 501322563 is about 22390.2336521976. The cubic root of 501322563 is about 794.3997224909.

Adding to 501322563 its reverse (365223105), we get a palindrome (866545668).

The spelling of 501322563 in words is "five hundred one million, three hundred twenty-two thousand, five hundred sixty-three".