9965533 has 2 divisors, whose sum is σ = 9965534. Its totient is φ = 9965532.

The previous prime is 9965507. The next prime is 9965573. The reversal of 9965533 is 3355699.

It is an a-pointer prime, because the next prime (9965573) can be obtained adding 9965533 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9078169 + 887364 = 3013^2 + 942^2 .

It is an emirp because it is prime and its reverse (3355699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9965533 - 2²¹ = 7868381 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9965503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982766 + 4982767.

It is an arithmetic number, because the mean of its divisors is an integer number (4982767).

Almost surely, 2^9965533 is an apocalyptic number.

It is an amenable number.

9965533 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965533 is an equidigital number, since it uses as much as digits as its factorization.

9965533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109350, while the sum is 40.

The square root of 9965533 is about 3156.8232449727. The cubic root of 9965533 is about 215.1956610767.

The spelling of 9965533 in words is "nine million, nine hundred sixty-five thousand, five hundred thirty-three".