563617 has 4 divisors (see below), whose sum is σ = 566676. Its totient is φ = 560560.

The previous prime is 563599. The next prime is 563623. The reversal of 563617 is 716365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 463761 + 99856 = 681^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 563617 - 2⁷ = 563489 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 1234 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (141669).

2⁵⁶³⁶¹⁷ is an apocalyptic number.

It is an amenable number.

563617 is a deficient number, since it is larger than the sum of its proper divisors (3059).

563617 is a wasteful number, since it uses less digits than its factorization.

563617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058.

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

The square root of 563617 is about 750.7442973476. The cubic root of 563617 is about 82.6027858754.

The spelling of 563617 in words is "five hundred sixty-three thousand, six hundred seventeen".