563973 has 8 divisors (see below), whose sum is σ = 766368. Its totient is φ = 368784.

The previous prime is 563971. The next prime is 563987. The reversal of 563973 is 379365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 563973 - 2¹ = 563971 is a prime.

It is a Curzon 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (95796).

2⁵⁶³⁹⁷³ is an apocalyptic number.

563973 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

563973 is a deficient number, since it is larger than the sum of its proper divisors (202395).

563973 is a wasteful number, since it uses less digits than its factorization.

563973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603.

The product of its digits is 17010, while the sum is 33.

The square root of 563973 is about 750.9813579577. The cubic root of 563973 is about 82.6201738075.

The spelling of 563973 in words is "five hundred sixty-three thousand, nine hundred seventy-three".