9725141 has 2 divisors, whose sum is σ = 9725142. Its totient is φ = 9725140.

The previous prime is 9725087. The next prime is 9725143. The reversal of 9725141 is 1415279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8614225 + 1110916 = 2935^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 9725141 - 2¹⁴ = 9708757 is a prime.

Together with 9725143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9725143) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862570 + 4862571.

It is an arithmetic number, because the mean of its divisors is an integer number (4862571).

Almost surely, 2^9725141 is an apocalyptic number.

It is an amenable number.

9725141 is a deficient number, since it is larger than the sum of its proper divisors (1).

9725141 is an equidigital number, since it uses as much as digits as its factorization.

9725141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 9725141 is about 3118.5158328923. The cubic root of 9725141 is about 213.4512171286.

The spelling of 9725141 in words is "nine million, seven hundred twenty-five thousand, one hundred forty-one".