4205563 has 4 divisors (see below), whose sum is σ = 4231528. Its totient is φ = 4179600.

The previous prime is 4205549. The next prime is 4205569. The reversal of 4205563 is 3655024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4205563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4205569) 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, 12738 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (1057882).

Almost surely, 2^4205563 is an apocalyptic number.

4205563 is a deficient number, since it is larger than the sum of its proper divisors (25965).

4205563 is a wasteful number, since it uses less digits than its factorization.

4205563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25964.

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

The square root of 4205563 is about 2050.7469370939. The cubic root of 4205563 is about 161.4140673304.

The spelling of 4205563 in words is "four million, two hundred five thousand, five hundred sixty-three".