411564161 has 2 divisors, whose sum is σ = 411564162. Its totient is φ = 411564160.

The previous prime is 411564119. The next prime is 411564211. The reversal of 411564161 is 161465114.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324720400 + 86843761 = 18020^2 + 9319^2 .

It is a cyclic number.

It is not a de Polignac number, because 411564161 - 2¹⁴ = 411547777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (411504161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205782080 + 205782081.

It is an arithmetic number, because the mean of its divisors is an integer number (205782081).

Almost surely, 2^411564161 is an apocalyptic number.

It is an amenable number.

411564161 is a deficient number, since it is larger than the sum of its proper divisors (1).

411564161 is an equidigital number, since it uses as much as digits as its factorization.

411564161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 411564161 is about 20287.0441661667. The cubic root of 411564161 is about 743.8394078803.

The spelling of 411564161 in words is "four hundred eleven million, five hundred sixty-four thousand, one hundred sixty-one".