9725713 has 2 divisors, whose sum is σ = 9725714. Its totient is φ = 9725712.

The previous prime is 9725707. The next prime is 9725731. The reversal of 9725713 is 3175279.

Together with next prime (9725731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9659664 + 66049 = 3108^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 9725713 - 2²¹ = 7628561 is a prime.

9725713 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9725753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862856 + 4862857.

It is an arithmetic number, because the mean of its divisors is an integer number (4862857).

Almost surely, 2^9725713 is an apocalyptic number.

It is an amenable number.

9725713 is a deficient number, since it is larger than the sum of its proper divisors (1).

9725713 is an equidigital number, since it uses as much as digits as its factorization.

9725713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 34.

The square root of 9725713 is about 3118.6075418366. The cubic root of 9725713 is about 213.4554018735.

The spelling of 9725713 in words is "nine million, seven hundred twenty-five thousand, seven hundred thirteen".