5171729 has 2 divisors, whose sum is σ = 5171730. Its totient is φ = 5171728.

The previous prime is 5171693. The next prime is 5171753. The reversal of 5171729 is 9271715.

5171729 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., 4494400 + 677329 = 2120^2 + 823^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171729 - 2⁸ = 5171473 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5171695 and 5171704.

It is not a weakly prime, because it can be changed into another prime (5171779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585864 + 2585865.

It is an arithmetic number, because the mean of its divisors is an integer number (2585865).

Almost surely, 2^5171729 is an apocalyptic number.

It is an amenable number.

5171729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171729 is an equidigital number, since it uses as much as digits as its factorization.

5171729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 32.

The square root of 5171729 is about 2274.1435750629. The cubic root of 5171729 is about 172.9332831051.

The spelling of 5171729 in words is "five million, one hundred seventy-one thousand, seven hundred twenty-nine".