5721713 has 2 divisors, whose sum is σ = 5721714.
Its totient is φ = 5721712.
The previous prime is 5721697. The next prime is 5721719. The reversal of 5721713 is 3171275.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5721664 + 49 = 2392^2 + 7^2
It is a cyclic number.
It is not a de Polignac number, because 5721713 - 24 = 5721697 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (5721719) 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, 2860856 + 2860857.
It is an arithmetic number, because the mean of its divisors is an integer number (2860857).
Almost surely, 25721713 is an apocalyptic number.
It is an amenable number.
5721713 is a deficient number, since it is larger than the sum of its proper divisors (1).
5721713 is an equidigital number, since it uses as much as digits as its factorization.
5721713 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1470, while the sum is 26.
The square root of 5721713 is about 2392.0102424530.
The cubic root of 5721713 is about 178.8581317153.
Adding to 5721713 its reverse (3171275), we get a palindrome (8892988).
The spelling of 5721713 in words is "five million, seven hundred twenty-one thousand, seven hundred thirteen".