605563 has 4 divisors (see below), whose sum is σ = 692080. Its totient is φ = 519048.

The previous prime is 605551. The next prime is 605573. The reversal of 605563 is 365506.

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 605563 - 2⁵ = 605531 is a prime.

It is a Duffinian number.

605563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (605503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43248 + ... + 43261.

It is an arithmetic number, because the mean of its divisors is an integer number (173020).

2⁶⁰⁵⁵⁶³ is an apocalyptic number.

605563 is a deficient number, since it is larger than the sum of its proper divisors (86517).

605563 is an equidigital number, since it uses as much as digits as its factorization.

605563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86516.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 605563 is about 778.1792852550. The cubic root of 605563 is about 84.6031325977.

The spelling of 605563 in words is "six hundred five thousand, five hundred sixty-three".