558680561 has 2 divisors, whose sum is σ = 558680562. Its totient is φ = 558680560.

The previous prime is 558680533. The next prime is 558680581. The reversal of 558680561 is 165086855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557904400 + 776161 = 23620^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 558680561 - 2⁶ = 558680497 is a prime.

It is not a weakly prime, because it can be changed into another prime (558680531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279340280 + 279340281.

It is an arithmetic number, because the mean of its divisors is an integer number (279340281).

Almost surely, 2^558680561 is an apocalyptic number.

It is an amenable number.

558680561 is a deficient number, since it is larger than the sum of its proper divisors (1).

558680561 is an equidigital number, since it uses as much as digits as its factorization.

558680561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 558680561 is about 23636.4244546420. The cubic root of 558680561 is about 823.6091955709.

The spelling of 558680561 in words is "five hundred fifty-eight million, six hundred eighty thousand, five hundred sixty-one".