8005538533 has 2 divisors, whose sum is σ = 8005538534. Its totient is φ = 8005538532.

The previous prime is 8005538531. The next prime is 8005538573. The reversal of 8005538533 is 3358355008.

It is a happy number.

It is an a-pointer prime, because the next prime (8005538573) can be obtained adding 8005538533 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., 6559866049 + 1445672484 = 80993^2 + 38022^2 .

It is a cyclic number.

It is not a de Polignac number, because 8005538533 - 2¹ = 8005538531 is a prime.

Together with 8005538531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8005538531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002769266 + 4002769267.

It is an arithmetic number, because the mean of its divisors is an integer number (4002769267).

Almost surely, 2^8005538533 is an apocalyptic number.

It is an amenable number.

8005538533 is a deficient number, since it is larger than the sum of its proper divisors (1).

8005538533 is an equidigital number, since it uses as much as digits as its factorization.

8005538533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 8005538533 is about 89473.6750837921. The cubic root of 8005538533 is about 2000.4614379460.

The spelling of 8005538533 in words is "eight billion, five million, five hundred thirty-eight thousand, five hundred thirty-three".