563942 has 4 divisors (see below), whose sum is σ = 845916. Its totient is φ = 281970.

The previous prime is 563933. The next prime is 563947. The reversal of 563942 is 249365.

563942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140984 + ... + 140987.

It is an arithmetic number, because the mean of its divisors is an integer number (211479).

2⁵⁶³⁹⁴² is an apocalyptic number.

563942 is a deficient number, since it is larger than the sum of its proper divisors (281974).

563942 is a wasteful number, since it uses less digits than its factorization.

563942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281973.

The product of its digits is 6480, while the sum is 29.

The square root of 563942 is about 750.9607180139. The cubic root of 563942 is about 82.6186599808.

The spelling of 563942 in words is "five hundred sixty-three thousand, nine hundred forty-two".