5721797 has 2 divisors, whose sum is σ = 5721798. Its totient is φ = 5721796.

The previous prime is 5721767. The next prime is 5721803. The reversal of 5721797 is 7971275.

5721797 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3786916 + 1934881 = 1946^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 5721797 - 2¹⁰ = 5720773 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5721797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5721757) 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, 2860898 + 2860899.

It is an arithmetic number, because the mean of its divisors is an integer number (2860899).

Almost surely, 2^5721797 is an apocalyptic number.

It is an amenable number.

5721797 is a deficient number, since it is larger than the sum of its proper divisors (1).

5721797 is an equidigital number, since it uses as much as digits as its factorization.

5721797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30870, while the sum is 38.

The square root of 5721797 is about 2392.0278008418. The cubic root of 5721797 is about 178.8590069782.

The spelling of 5721797 in words is "five million, seven hundred twenty-one thousand, seven hundred ninety-seven".