533821234 has 4 divisors (see below), whose sum is σ = 800731854. Its totient is φ = 266910616.

The previous prime is 533821231. The next prime is 533821273. The reversal of 533821234 is 432128335.

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

It can be written as a sum of positive squares in only one way, i.e., 390181009 + 143640225 = 19753^2 + 11985^2 .

It is a junction number, because it is equal to n+sod(n) for n = 533821196 and 533821205.

It is not an unprimeable number, because it can be changed into a prime (533821231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133455307 + ... + 133455310.

Almost surely, 2^533821234 is an apocalyptic number.

533821234 is a deficient number, since it is larger than the sum of its proper divisors (266910620).

533821234 is a wasteful number, since it uses less digits than its factorization.

533821234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266910619.

The product of its digits is 17280, while the sum is 31.

The square root of 533821234 is about 23104.5717121093. The cubic root of 533821234 is about 811.2074832399.

Adding to 533821234 its reverse (432128335), we get a palindrome (965949569).

The spelling of 533821234 in words is "five hundred thirty-three million, eight hundred twenty-one thousand, two hundred thirty-four".