5660789 has 2 divisors, whose sum is σ = 5660790. Its totient is φ = 5660788.

The previous prime is 5660761. The next prime is 5660797. The reversal of 5660789 is 9870665.

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., 5640625 + 20164 = 2375^2 + 142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5660789 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5660749) 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, 2830394 + 2830395.

It is an arithmetic number, because the mean of its divisors is an integer number (2830395).

Almost surely, 2^5660789 is an apocalyptic number.

It is an amenable number.

5660789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660789 is an equidigital number, since it uses as much as digits as its factorization.

5660789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 5660789 is about 2379.2412656139. The cubic root of 5660789 is about 178.2210463448.

The spelling of 5660789 in words is "five million, six hundred sixty thousand, seven hundred eighty-nine".