5726689 has 2 divisors, whose sum is σ = 5726690. Its totient is φ = 5726688.

The previous prime is 5726687. The next prime is 5726711. The reversal of 5726689 is 9866275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 1982464 = 1935^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 5726689 - 2¹ = 5726687 is a prime.

Together with 5726687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5726683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863344 + 2863345.

It is an arithmetic number, because the mean of its divisors is an integer number (2863345).

Almost surely, 2^5726689 is an apocalyptic number.

It is an amenable number.

5726689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5726689 is an equidigital number, since it uses as much as digits as its factorization.

5726689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 5726689 is about 2393.0501457345. The cubic root of 5726689 is about 178.9099658534.

The spelling of 5726689 in words is "five million, seven hundred twenty-six thousand, six hundred eighty-nine".