461105609 has 2 divisors, whose sum is σ = 461105610. Its totient is φ = 461105608.

The previous prime is 461105599. The next prime is 461105627. The reversal of 461105609 is 906501164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337273225 + 123832384 = 18365^2 + 11128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461105609 is a prime.

It is not a weakly prime, because it can be changed into another prime (461105629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230552804 + 230552805.

It is an arithmetic number, because the mean of its divisors is an integer number (230552805).

Almost surely, 2^461105609 is an apocalyptic number.

It is an amenable number.

461105609 is a deficient number, since it is larger than the sum of its proper divisors (1).

461105609 is an equidigital number, since it uses as much as digits as its factorization.

461105609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 461105609 is about 21473.3697635001. The cubic root of 461105609 is about 772.5622235639.

The spelling of 461105609 in words is "four hundred sixty-one million, one hundred five thousand, six hundred nine".