4206563 has 4 divisors (see below), whose sum is σ = 4231920. Its totient is φ = 4181208.

The previous prime is 4206551. The next prime is 4206569. The reversal of 4206563 is 3656024.

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

It is a cyclic number.

It is not a de Polignac number, because 4206563 - 2¹² = 4202467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4206569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12428 + ... + 12761.

It is an arithmetic number, because the mean of its divisors is an integer number (1057980).

Almost surely, 2^4206563 is an apocalyptic number.

4206563 is a deficient number, since it is larger than the sum of its proper divisors (25357).

4206563 is a wasteful number, since it uses less digits than its factorization.

4206563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25356.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 4206563 is about 2050.9907362053. The cubic root of 4206563 is about 161.4268600112.

The spelling of 4206563 in words is "four million, two hundred six thousand, five hundred sixty-three".