9952661 has 2 divisors, whose sum is σ = 9952662. Its totient is φ = 9952660.

The previous prime is 9952589. The next prime is 9952669. The reversal of 9952661 is 1662599.

9952661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7806436 + 2146225 = 2794^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 9952661 - 2¹⁰ = 9951637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9952669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4976330 + 4976331.

It is an arithmetic number, because the mean of its divisors is an integer number (4976331).

Almost surely, 2^9952661 is an apocalyptic number.

It is an amenable number.

9952661 is a deficient number, since it is larger than the sum of its proper divisors (1).

9952661 is an equidigital number, since it uses as much as digits as its factorization.

9952661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 9952661 is about 3154.7838277765. The cubic root of 9952661 is about 215.1029685256.

The spelling of 9952661 in words is "nine million, nine hundred fifty-two thousand, six hundred sixty-one".