563601 has 16 divisors (see below), whose sum is σ = 817344. Its totient is φ = 344064.

The previous prime is 563599. The next prime is 563623. The reversal of 563601 is 106365.

563601 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 563601 - 2¹ = 563599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (563401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2065 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (51084).

2⁵⁶³⁶⁰¹ is an apocalyptic number.

563601 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

563601 is a deficient number, since it is larger than the sum of its proper divisors (253743).

563601 is a wasteful number, since it uses less digits than its factorization.

563601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 563601 is about 750.7336411804. The cubic root of 563601 is about 82.6020042233.

Adding to 563601 its reverse (106365), we get a palindrome (669966).

The spelling of 563601 in words is "five hundred sixty-three thousand, six hundred one".