9909061 has 2 divisors, whose sum is σ = 9909062. Its totient is φ = 9909060.

The previous prime is 9909047. The next prime is 9909071. The reversal of 9909061 is 1609099.

It is a happy number.

9909061 is digitally balanced in base 2, 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., 6280036 + 3629025 = 2506^2 + 1905^2 .

It is an emirp because it is prime and its reverse (1609099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9909061 - 2¹¹ = 9907013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9909001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4954530 + 4954531.

It is an arithmetic number, because the mean of its divisors is an integer number (4954531).

Almost surely, 2^9909061 is an apocalyptic number.

It is an amenable number.

9909061 is a deficient number, since it is larger than the sum of its proper divisors (1).

9909061 is an equidigital number, since it uses as much as digits as its factorization.

9909061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 9909061 is about 3147.8661026162. The cubic root of 9909061 is about 214.7884054904.

The spelling of 9909061 in words is "nine million, nine hundred nine thousand, sixty-one".