5659609 has 2 divisors, whose sum is σ = 5659610. Its totient is φ = 5659608.

The previous prime is 5659603. The next prime is 5659627. The reversal of 5659609 is 9069565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4665600 + 994009 = 2160^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 5659609 - 2⁹ = 5659097 is a prime.

It is not a weakly prime, because it can be changed into another prime (5659603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2829804 + 2829805.

It is an arithmetic number, because the mean of its divisors is an integer number (2829805).

Almost surely, 2^5659609 is an apocalyptic number.

It is an amenable number.

5659609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5659609 is an equidigital number, since it uses as much as digits as its factorization.

5659609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 5659609 is about 2378.9932744756. The cubic root of 5659609 is about 178.2086620023.

The spelling of 5659609 in words is "five million, six hundred fifty-nine thousand, six hundred nine".