9665533 has 4 divisors (see below), whose sum is σ = 9681120. Its totient is φ = 9649948.

The previous prime is 9665527. The next prime is 9665567. The reversal of 9665533 is 3355669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9665533 - 2⁵ = 9665501 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9665492 and 9665501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9665833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6823 + ... + 8116.

It is an arithmetic number, because the mean of its divisors is an integer number (2420280).

Almost surely, 2^9665533 is an apocalyptic number.

It is an amenable number.

9665533 is a deficient number, since it is larger than the sum of its proper divisors (15587).

9665533 is a wasteful number, since it uses less digits than its factorization.

9665533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15586.

The product of its digits is 72900, while the sum is 37.

The square root of 9665533 is about 3108.9440329475. The cubic root of 9665533 is about 213.0142231533.

The spelling of 9665533 in words is "nine million, six hundred sixty-five thousand, five hundred thirty-three".