411560561 has 2 divisors, whose sum is σ = 411560562. Its totient is φ = 411560560.

The previous prime is 411560521. The next prime is 411560573. The reversal of 411560561 is 165065114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399000625 + 12559936 = 19975^2 + 3544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411560561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (411560521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205780280 + 205780281.

It is an arithmetic number, because the mean of its divisors is an integer number (205780281).

Almost surely, 2^411560561 is an apocalyptic number.

It is an amenable number.

411560561 is a deficient number, since it is larger than the sum of its proper divisors (1).

411560561 is an equidigital number, since it uses as much as digits as its factorization.

411560561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 411560561 is about 20286.9554393950. The cubic root of 411560561 is about 743.8372390571.

The spelling of 411560561 in words is "four hundred eleven million, five hundred sixty thousand, five hundred sixty-one".