533721212 has 6 divisors (see below), whose sum is σ = 934012128. Its totient is φ = 266860604.

The previous prime is 533721211. The next prime is 533721259. The reversal of 533721212 is 212127335.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533721211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66715148 + ... + 66715155.

It is an arithmetic number, because the mean of its divisors is an integer number (155668688).

Almost surely, 2^533721212 is an apocalyptic number.

It is an amenable number.

533721212 is a deficient number, since it is larger than the sum of its proper divisors (400290916).

533721212 is a wasteful number, since it uses less digits than its factorization.

533721212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133430307 (or 133430305 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 533721212 is about 23102.4070607372. The cubic root of 533721212 is about 811.1568148027.

Adding to 533721212 its reverse (212127335), we get a palindrome (745848547).

The spelling of 533721212 in words is "five hundred thirty-three million, seven hundred twenty-one thousand, two hundred twelve".