9725953 has 2 divisors, whose sum is σ = 9725954. Its totient is φ = 9725952.

The previous prime is 9725951. The next prime is 9725957. The reversal of 9725953 is 3595279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 97344 = 3103^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 9725953 - 2¹ = 9725951 is a prime.

Together with 9725951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9725951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862976 + 4862977.

It is an arithmetic number, because the mean of its divisors is an integer number (4862977).

Almost surely, 2^9725953 is an apocalyptic number.

It is an amenable number.

9725953 is a deficient number, since it is larger than the sum of its proper divisors (1).

9725953 is an equidigital number, since it uses as much as digits as its factorization.

9725953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 40.

The square root of 9725953 is about 3118.6460203107. The cubic root of 9725953 is about 213.4571576616.

The spelling of 9725953 in words is "nine million, seven hundred twenty-five thousand, nine hundred fifty-three".