5308729 has 2 divisors, whose sum is σ = 5308730. Its totient is φ = 5308728.

The previous prime is 5308717. The next prime is 5308759. The reversal of 5308729 is 9278035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 2496400 = 1677^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 5308729 - 2⁹ = 5308217 is a prime.

5308729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5308694 and 5308703.

It is not a weakly prime, because it can be changed into another prime (5308759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654364 + 2654365.

It is an arithmetic number, because the mean of its divisors is an integer number (2654365).

Almost surely, 2^5308729 is an apocalyptic number.

It is an amenable number.

5308729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5308729 is an equidigital number, since it uses as much as digits as its factorization.

5308729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5308729 is about 2304.0679243460. The cubic root of 5308729 is about 174.4470054153.

The spelling of 5308729 in words is "five million, three hundred eight thousand, seven hundred twenty-nine".