533666303 has 4 divisors (see below), whose sum is σ = 535880928. Its totient is φ = 531451680.

The previous prime is 533666299. The next prime is 533666311. The reversal of 533666303 is 303666335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 533666303 - 2² = 533666299 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533666803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106951 + ... + 1107432.

It is an arithmetic number, because the mean of its divisors is an integer number (133970232).

Almost surely, 2^533666303 is an apocalyptic number.

533666303 is a deficient number, since it is larger than the sum of its proper divisors (2214625).

533666303 is a wasteful number, since it uses less digits than its factorization.

533666303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214624.

The product of its (nonzero) digits is 87480, while the sum is 35.

The square root of 533666303 is about 23101.2186475086. The cubic root of 533666303 is about 811.1289966984.

The spelling of 533666303 in words is "five hundred thirty-three million, six hundred sixty-six thousand, three hundred three".