8533000081 has 8 divisors (see below), whose sum is σ = 8624806344. Its totient is φ = 8441272320.

The previous prime is 8533000057. The next prime is 8533000087. The reversal of 8533000081 is 1800003358.

It can be written as a sum of positive squares in 4 ways, for example, as 807469056 + 7725531025 = 28416^2 + 87895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8533000081 - 2¹³ = 8532991889 is a prime.

It is a super-2 number, since 2×8533000081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8533000087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213741 + ... + 250501.

It is an arithmetic number, because the mean of its divisors is an integer number (1078100793).

Almost surely, 2^8533000081 is an apocalyptic number.

It is an amenable number.

8533000081 is a deficient number, since it is larger than the sum of its proper divisors (91806263).

8533000081 is a wasteful number, since it uses less digits than its factorization.

8533000081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39251.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8533000081 is about 92374.2392715632. The cubic root of 8533000081 is about 2043.4652178692.

The spelling of 8533000081 in words is "eight billion, five hundred thirty-three million, eighty-one", and thus it is an aban number.