558243 has 12 divisors (see below), whose sum is σ = 921648. Its totient is φ = 318960.

The previous prime is 558241. The next prime is 558251. The reversal of 558243 is 342855.

It is not a de Polignac number, because 558243 - 2¹ = 558241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (558241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4368 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (76804).

2⁵⁵⁸²⁴³ is an apocalyptic number.

558243 is a deficient number, since it is larger than the sum of its proper divisors (363405).

558243 is a wasteful number, since it uses less digits than its factorization.

558243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8874 (or 8871 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 558243 is about 747.1566100892. The cubic root of 558243 is about 82.3394121333.

It can be divided in two parts, 5582 and 43, that added together give a square (5625 = 75²).

The spelling of 558243 in words is "five hundred fifty-eight thousand, two hundred forty-three".