533238831 has 12 divisors (see below), whose sum is σ = 803722608. Its totient is φ = 340036224.

The previous prime is 533238821. The next prime is 533238869. The reversal of 533238831 is 138832335.

It is not a de Polignac number, because 533238831 - 2⁵ = 533238799 is a prime.

It is a super-2 number, since 2×533238831² = 568687301772493122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533238821) 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, 1287810 + ... + 1288223.

It is an arithmetic number, because the mean of its divisors is an integer number (66976884).

Almost surely, 2^533238831 is an apocalyptic number.

533238831 is a deficient number, since it is larger than the sum of its proper divisors (270483777).

533238831 is a wasteful number, since it uses less digits than its factorization.

533238831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576062 (or 2576059 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 533238831 is about 23091.9646414072. The cubic root of 533238831 is about 810.9123647237.

The spelling of 533238831 in words is "five hundred thirty-three million, two hundred thirty-eight thousand, eight hundred thirty-one".