• 563647² = 317697940609 is an anagram of the next square 563648² = 317699067904.

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563647 has 6 divisors (see below), whose sum is σ = 655728. Its totient is φ = 483084.

The previous prime is 563623. The next prime is 563657. The reversal of 563647 is 746365.

It is not a de Polignac number, because 563647 - 2¹¹ = 561599 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 6⁷ + 6⁷ + 3⁵ + 4³ + 7³ .

It is a Duffinian number.

563647 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5703 + ... + 5800.

It is an arithmetic number, because the mean of its divisors is an integer number (109288).

2⁵⁶³⁶⁴⁷ is an apocalyptic number.

563647 is a deficient number, since it is larger than the sum of its proper divisors (92081).

563647 is a wasteful number, since it uses less digits than its factorization.

563647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517 (or 11510 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 563647 is about 750.7642772535. The cubic root of 563647 is about 82.6042514330.

The spelling of 563647 in words is "five hundred sixty-three thousand, six hundred forty-seven".