558641 has 4 divisors (see below), whose sum is σ = 562800. Its totient is φ = 554484.

The previous prime is 558629. The next prime is 558643. The reversal of 558641 is 146855.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-558641 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (558643) 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 3 ways as a sum of consecutive naturals, for example, 1871 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (140700).

2⁵⁵⁸⁶⁴¹ is an apocalyptic number.

It is an amenable number.

558641 is a deficient number, since it is larger than the sum of its proper divisors (4159).

558641 is a wasteful number, since it uses less digits than its factorization.

558641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158.

The product of its digits is 4800, while the sum is 29.

The square root of 558641 is about 747.4229057234. The cubic root of 558641 is about 82.3589754782.

The spelling of 558641 in words is "five hundred fifty-eight thousand, six hundred forty-one".