533500243 has 8 divisors (see below), whose sum is σ = 554088960. Its totient is φ = 513296520.

The previous prime is 533500237. The next prime is 533500267. The reversal of 533500243 is 342005335.

It is a happy number.

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 533500243 - 2²⁵ = 499945811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533500223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93423 + ... + 98968.

It is an arithmetic number, because the mean of its divisors is an integer number (69261120).

Almost surely, 2^533500243 is an apocalyptic number.

533500243 is a deficient number, since it is larger than the sum of its proper divisors (20588717).

533500243 is a wasteful number, since it uses less digits than its factorization.

533500243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192497.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 533500243 is about 23097.6241851841. The cubic root of 533500243 is about 811.0448554451.

Adding to 533500243 its reverse (342005335), we get a palindrome (875505578).

The spelling of 533500243 in words is "five hundred thirty-three million, five hundred thousand, two hundred forty-three".