5695721 has 2 divisors, whose sum is σ = 5695722. Its totient is φ = 5695720.

The previous prime is 5695681. The next prime is 5695727. The reversal of 5695721 is 1275965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5125696 + 570025 = 2264^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 5695721 - 2¹⁴ = 5679337 is a prime.

It is not a weakly prime, because it can be changed into another prime (5695727) 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, 2847860 + 2847861.

It is an arithmetic number, because the mean of its divisors is an integer number (2847861).

Almost surely, 2^5695721 is an apocalyptic number.

It is an amenable number.

5695721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5695721 is an equidigital number, since it uses as much as digits as its factorization.

5695721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 5695721 is about 2386.5709710796. The cubic root of 5695721 is about 178.5868878959.

The spelling of 5695721 in words is "five million, six hundred ninety-five thousand, seven hundred twenty-one".