5684561 has 2 divisors, whose sum is σ = 5684562. Its totient is φ = 5684560.

The previous prime is 5684537. The next prime is 5684593. The reversal of 5684561 is 1654865.

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., 4840000 + 844561 = 2200^2 + 919^2 .

It is a cyclic number.

It is not a de Polignac number, because 5684561 - 2¹⁰ = 5683537 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5684521) 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, 2842280 + 2842281.

It is an arithmetic number, because the mean of its divisors is an integer number (2842281).

Almost surely, 2^5684561 is an apocalyptic number.

It is an amenable number.

5684561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5684561 is an equidigital number, since it uses as much as digits as its factorization.

5684561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 5684561 is about 2384.2317420922. The cubic root of 5684561 is about 178.4701726296.

The spelling of 5684561 in words is "five million, six hundred eighty-four thousand, five hundred sixty-one".