563878531 has 8 divisors (see below), whose sum is σ = 570634064. Its totient is φ = 557163360.

The previous prime is 563878529. The next prime is 563878543. The reversal of 563878531 is 135878365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 563878531 - 2¹ = 563878529 is a prime.

It is a super-2 number, since 2×563878531² = 635917995445435922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563878591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18496 + ... + 38338.

It is an arithmetic number, because the mean of its divisors is an integer number (71329258).

Almost surely, 2^563878531 is an apocalyptic number.

563878531 is a deficient number, since it is larger than the sum of its proper divisors (6755533).

563878531 is a wasteful number, since it uses less digits than its factorization.

563878531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20181.

The product of its digits is 604800, while the sum is 46.

The square root of 563878531 is about 23746.1266525722. The cubic root of 563878531 is about 826.1556041823.

The spelling of 563878531 in words is "five hundred sixty-three million, eight hundred seventy-eight thousand, five hundred thirty-one".