533899873 has 4 divisors (see below), whose sum is σ = 574969108. Its totient is φ = 492830640.

The previous prime is 533899853. The next prime is 533899937. The reversal of 533899873 is 378998335.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 209467729 + 324432144 = 14473^2 + 18012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533899873 is a prime.

It is a super-2 number, since 2×533899873² = 570098148778832258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533899813) 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, 20534598 + ... + 20534623.

It is an arithmetic number, because the mean of its divisors is an integer number (143742277).

Almost surely, 2^533899873 is an apocalyptic number.

It is an amenable number.

533899873 is a deficient number, since it is larger than the sum of its proper divisors (41069235).

533899873 is a wasteful number, since it uses less digits than its factorization.

533899873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41069234.

The product of its digits is 4898880, while the sum is 55.

The square root of 533899873 is about 23106.2734554926. The cubic root of 533899873 is about 811.2473151843.

The spelling of 533899873 in words is "five hundred thirty-three million, eight hundred ninety-nine thousand, eight hundred seventy-three".