563873 has 8 divisors (see below), whose sum is σ = 612360. Its totient is φ = 517120.

The previous prime is 563869. The next prime is 563881. The reversal of 563873 is 378365.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 117649 + 446224 = 343^2 + 668^2 .

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 563873 - 2² = 563869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563813) 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, 293 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (76545).

2⁵⁶³⁸⁷³ is an apocalyptic number.

It is an amenable number.

563873 is a deficient number, since it is larger than the sum of its proper divisors (48487).

563873 is a wasteful number, since it uses less digits than its factorization.

563873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867.

The product of its digits is 15120, while the sum is 32.

The square root of 563873 is about 750.9147754572. The cubic root of 563873 is about 82.6152902961.

The spelling of 563873 in words is "five hundred sixty-three thousand, eight hundred seventy-three".