5669561 has 2 divisors, whose sum is σ = 5669562. Its totient is φ = 5669560.

The previous prime is 5669539. The next prime is 5669579. The reversal of 5669561 is 1659665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 400 = 2381^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 5669561 - 2¹⁴ = 5653177 is a prime.

It is not a weakly prime, because it can be changed into another prime (5669501) 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, 2834780 + 2834781.

It is an arithmetic number, because the mean of its divisors is an integer number (2834781).

Almost surely, 2^5669561 is an apocalyptic number.

It is an amenable number.

5669561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5669561 is an equidigital number, since it uses as much as digits as its factorization.

5669561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 38.

The square root of 5669561 is about 2381.0839968384. The cubic root of 5669561 is about 178.3130563799.

The spelling of 5669561 in words is "five million, six hundred sixty-nine thousand, five hundred sixty-one".