533663491 has 8 divisors (see below), whose sum is σ = 541632960. Its totient is φ = 525738048.

The previous prime is 533663489. The next prime is 533663527. The reversal of 533663491 is 194366335.

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 533663491 - 2¹ = 533663489 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (533663401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13830 + ... + 35476.

It is an arithmetic number, because the mean of its divisors is an integer number (67704120).

Almost surely, 2^533663491 is an apocalyptic number.

533663491 is a deficient number, since it is larger than the sum of its proper divisors (7969469).

533663491 is a wasteful number, since it uses less digits than its factorization.

533663491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22013.

The product of its digits is 174960, while the sum is 40.

The square root of 533663491 is about 23101.1577848384. The cubic root of 533663491 is about 811.1275720261.

The spelling of 533663491 in words is "five hundred thirty-three million, six hundred sixty-three thousand, four hundred ninety-one".