9999533 has 2 divisors, whose sum is σ = 9999534. Its totient is φ = 9999532.

The previous prime is 9999511. The next prime is 9999593. The reversal of 9999533 is 3359999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9972964 + 26569 = 3158^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999533 - 2⁶ = 9999469 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 (9999593) 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 as a sum of consecutive naturals, namely, 4999766 + 4999767.

It is an arithmetic number, because the mean of its divisors is an integer number (4999767).

Almost surely, 2^9999533 is an apocalyptic number.

It is an amenable number.

9999533 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999533 is an equidigital number, since it uses as much as digits as its factorization.

9999533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 295245, while the sum is 47.

The square root of 9999533 is about 3162.2038201229. The cubic root of 9999533 is about 215.4401152143.

The spelling of 9999533 in words is "nine million, nine hundred ninety-nine thousand, five hundred thirty-three".