563542 has 8 divisors (see below), whose sum is σ = 966096. Its totient is φ = 241512.

The previous prime is 563503. The next prime is 563543. The reversal of 563542 is 245365.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563543) by changing a digit.

563542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20113 + ... + 20140.

It is an arithmetic number, because the mean of its divisors is an integer number (120762).

2⁵⁶³⁵⁴² is an apocalyptic number.

563542 is a deficient number, since it is larger than the sum of its proper divisors (402554).

563542 is a wasteful number, since it uses less digits than its factorization.

563542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40262.

The product of its digits is 3600, while the sum is 25.

The square root of 563542 is about 750.6943452564. The cubic root of 563542 is about 82.5991217537.

The spelling of 563542 in words is "five hundred sixty-three thousand, five hundred forty-two".