3184561 has 2 divisors, whose sum is σ = 3184562. Its totient is φ = 3184560.

The previous prime is 3184549. The next prime is 3184613. The reversal of 3184561 is 1654813.

3184561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 442225 = 1656^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 3184561 - 2⁵ = 3184529 is a prime.

It is not a weakly prime, because it can be changed into another prime (3184501) 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, 1592280 + 1592281.

It is an arithmetic number, because the mean of its divisors is an integer number (1592281).

Almost surely, 2^3184561 is an apocalyptic number.

It is an amenable number.

3184561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3184561 is an equidigital number, since it uses as much as digits as its factorization.

3184561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 3184561 is about 1784.5338326857. The cubic root of 3184561 is about 147.1238871091.

The spelling of 3184561 in words is "three million, one hundred eighty-four thousand, five hundred sixty-one".