563671 has 8 divisors (see below), whose sum is σ = 587520. Its totient is φ = 540408.

The previous prime is 563663. The next prime is 563723. The reversal of 563671 is 176365.

563671 = 304² + 305² + ... + 309².

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 563671 - 2³ = 563663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060 + ... + 3238.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2⁵⁶³⁶⁷¹ is an apocalyptic number.

563671 is a deficient number, since it is larger than the sum of its proper divisors (23849).

563671 is a wasteful number, since it uses less digits than its factorization.

563671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its digits is 3780, while the sum is 28.

The square root of 563671 is about 750.7802607954. The cubic root of 563671 is about 82.6054238417.

It can be divided in two parts, 563 and 671, that multiplied together give a palindrome (377773).

The spelling of 563671 in words is "five hundred sixty-three thousand, six hundred seventy-one".