441467561 has 2 divisors, whose sum is σ = 441467562. Its totient is φ = 441467560.

The previous prime is 441467539. The next prime is 441467599. The reversal of 441467561 is 165764144.

It is an a-pointer prime, because the next prime (441467599) can be obtained adding 441467561 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348942400 + 92525161 = 18680^2 + 9619^2 .

It is a cyclic number.

It is not a de Polignac number, because 441467561 - 2¹⁰ = 441466537 is a prime.

It is not a weakly prime, because it can be changed into another prime (441466561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220733780 + 220733781.

It is an arithmetic number, because the mean of its divisors is an integer number (220733781).

Almost surely, 2^441467561 is an apocalyptic number.

It is an amenable number.

441467561 is a deficient number, since it is larger than the sum of its proper divisors (1).

441467561 is an equidigital number, since it uses as much as digits as its factorization.

441467561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 441467561 is about 21011.1294556004. The cubic root of 441467561 is about 761.4351696105.

The spelling of 441467561 in words is "four hundred forty-one million, four hundred sixty-seven thousand, five hundred sixty-one".