5285729 has 2 divisors, whose sum is σ = 5285730. Its totient is φ = 5285728.

The previous prime is 5285713. The next prime is 5285741. The reversal of 5285729 is 9275825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 200704 = 2255^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 5285729 - 2⁴ = 5285713 is a prime.

It is a super-2 number, since 2×5285729² = 55877862122882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5285692 and 5285701.

It is not a weakly prime, because it can be changed into another prime (5285789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642864 + 2642865.

It is an arithmetic number, because the mean of its divisors is an integer number (2642865).

Almost surely, 2^5285729 is an apocalyptic number.

It is an amenable number.

5285729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5285729 is an equidigital number, since it uses as much as digits as its factorization.

5285729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 5285729 is about 2299.0713342565. The cubic root of 5285729 is about 174.1947109083.

The spelling of 5285729 in words is "five million, two hundred eighty-five thousand, seven hundred twenty-nine".