5821729 has 2 divisors, whose sum is σ = 5821730. Its totient is φ = 5821728.

The previous prime is 5821693. The next prime is 5821759. The reversal of 5821729 is 9271285.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 1557504 = 2065^2 + 1248^2 .

It is a cyclic number.

It is not a de Polignac number, because 5821729 - 2¹³ = 5813537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5821694 and 5821703.

It is not a weakly prime, because it can be changed into another prime (5821759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910864 + 2910865.

It is an arithmetic number, because the mean of its divisors is an integer number (2910865).

Almost surely, 2^5821729 is an apocalyptic number.

It is an amenable number.

5821729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5821729 is an equidigital number, since it uses as much as digits as its factorization.

5821729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 34.

The square root of 5821729 is about 2412.8259365317. The cubic root of 5821729 is about 179.8942691823.

The spelling of 5821729 in words is "five million, eight hundred twenty-one thousand, seven hundred twenty-nine".