5649757 has 2 divisors, whose sum is σ = 5649758. Its totient is φ = 5649756.

The previous prime is 5649739. The next prime is 5649769. The reversal of 5649757 is 7579465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3728761 + 1920996 = 1931^2 + 1386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5649757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5649157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824878 + 2824879.

It is an arithmetic number, because the mean of its divisors is an integer number (2824879).

Almost surely, 2^5649757 is an apocalyptic number.

It is an amenable number.

5649757 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649757 is an equidigital number, since it uses as much as digits as its factorization.

5649757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 43.

The square root of 5649757 is about 2376.9217488172. The cubic root of 5649757 is about 178.1051959926.

The spelling of 5649757 in words is "five million, six hundred forty-nine thousand, seven hundred fifty-seven".