5641709 has 2 divisors, whose sum is σ = 5641710. Its totient is φ = 5641708.

The previous prime is 5641687. The next prime is 5641711. The reversal of 5641709 is 9071465.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3912484 + 1729225 = 1978^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 5641709 - 2⁸ = 5641453 is a prime.

Together with 5641711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5640709) 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, 2820854 + 2820855.

It is an arithmetic number, because the mean of its divisors is an integer number (2820855).

Almost surely, 2^5641709 is an apocalyptic number.

It is an amenable number.

5641709 is a deficient number, since it is larger than the sum of its proper divisors (1).

5641709 is an equidigital number, since it uses as much as digits as its factorization.

5641709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 5641709 is about 2375.2281995631. The cubic root of 5641709 is about 178.0205863494.

The spelling of 5641709 in words is "five million, six hundred forty-one thousand, seven hundred nine".