533300081 has 12 divisors (see below), whose sum is σ = 567464940. Its totient is φ = 501089280.

The previous prime is 533300071. The next prime is 533300093. The reversal of 533300081 is 180003335.

It can be written as a sum of positive squares in 6 ways, for example, as 151683856 + 381616225 = 12316^2 + 19535^2 .

It is not a de Polignac number, because 533300081 - 2⁶ = 533300017 is a prime.

It is a super-2 number, since 2×533300081² = 568817952789213122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (533300021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232661 + ... + 234941.

It is an arithmetic number, because the mean of its divisors is an integer number (47288745).

Almost surely, 2^533300081 is an apocalyptic number.

It is an amenable number.

533300081 is a deficient number, since it is larger than the sum of its proper divisors (34164859).

533300081 is a wasteful number, since it uses less digits than its factorization.

533300081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 533300081 is about 23093.2908222280. The cubic root of 533300081 is about 810.9434117755.

The spelling of 533300081 in words is "five hundred thirty-three million, three hundred thousand, eighty-one".