558541 has 2 divisors, whose sum is σ = 558542. Its totient is φ = 558540.

The previous prime is 558539. The next prime is 558563. The reversal of 558541 is 145855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556516 + 2025 = 746^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 558541 - 2¹ = 558539 is a prime.

Together with 558539, it forms a pair of twin primes.

It is equal to p₄₅₉₆₄ and since 558541 and 45964 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (558521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279270 + 279271.

It is an arithmetic number, because the mean of its divisors is an integer number (279271).

2⁵⁵⁸⁵⁴¹ is an apocalyptic number.

It is an amenable number.

558541 is a deficient number, since it is larger than the sum of its proper divisors (1).

558541 is an equidigital number, since it uses as much as digits as its factorization.

558541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000, while the sum is 28.

The square root of 558541 is about 747.3560061978. The cubic root of 558541 is about 82.3540609392.

Subtracting from 558541 its reverse (145855), we obtain a triangular number (412686 = T₉₀₈).

It can be divided in two parts, 55854 and 1, that added together give a palindrome (55855).

The spelling of 558541 in words is "five hundred fifty-eight thousand, five hundred forty-one".