558125 has 20 divisors (see below), whose sum is σ = 749760. Its totient is φ = 414000.

The previous prime is 558121. The next prime is 558139. The reversal of 558125 is 521855.

It is not a de Polignac number, because 558125 - 2² = 558121 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 558094 and 558103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558121) 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 19 ways as a sum of consecutive naturals, for example, 11852 + ... + 11898.

It is an arithmetic number, because the mean of its divisors is an integer number (37488).

2⁵⁵⁸¹²⁵ is an apocalyptic number.

It is an amenable number.

558125 is a deficient number, since it is larger than the sum of its proper divisors (191635).

558125 is an equidigital number, since it uses as much as digits as its factorization.

558125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 71 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 558125 is about 747.0776398742. The cubic root of 558125 is about 82.3336101586. Note that the first 3 decimals are identical.

The spelling of 558125 in words is "five hundred fifty-eight thousand, one hundred twenty-five".