9661061 has 4 divisors (see below), whose sum is σ = 9695724. Its totient is φ = 9626400.

The previous prime is 9661037. The next prime is 9661079. The reversal of 9661061 is 1601669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1601669 = 181 ⋅8849.

It can be written as a sum of positive squares in 2 ways, for example, as 3441025 + 6220036 = 1855^2 + 2494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9661061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661261) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16910 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (2423931).

Almost surely, 2^9661061 is an apocalyptic number.

It is an amenable number.

9661061 is a deficient number, since it is larger than the sum of its proper divisors (34663).

9661061 is a wasteful number, since it uses less digits than its factorization.

9661061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34662.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9661061 is about 3108.2247344746. The cubic root of 9661061 is about 212.9813659704.

The spelling of 9661061 in words is "nine million, six hundred sixty-one thousand, sixty-one".