5720909 has 2 divisors, whose sum is σ = 5720910. Its totient is φ = 5720908.

The previous prime is 5720893. The next prime is 5720927. The reversal of 5720909 is 9090275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 1898884 = 1955^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 5720909 - 2⁴ = 5720893 is a prime.

It is a Chen prime.

5720909 is a modest number, since divided by 909 gives 572 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5720999) 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, 2860454 + 2860455.

It is an arithmetic number, because the mean of its divisors is an integer number (2860455).

Almost surely, 2^5720909 is an apocalyptic number.

It is an amenable number.

5720909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5720909 is an equidigital number, since it uses as much as digits as its factorization.

5720909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 5720909 is about 2391.8421770677. The cubic root of 5720909 is about 178.8497537654.

The spelling of 5720909 in words is "five million, seven hundred twenty thousand, nine hundred nine".