533273221 has 8 divisors (see below), whose sum is σ = 608076504. Its totient is φ = 463296000.

The previous prime is 533273219. The next prime is 533273231. The reversal of 533273221 is 122372335.

It can be written as a sum of positive squares in 4 ways, for example, as 112572100 + 420701121 = 10610^2 + 20511^2 .

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 533273221 - 2¹ = 533273219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 533273221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533273231) 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, 1206280 + ... + 1206721.

It is an arithmetic number, because the mean of its divisors is an integer number (76009563).

Almost surely, 2^533273221 is an apocalyptic number.

It is an amenable number.

533273221 is a deficient number, since it is larger than the sum of its proper divisors (74803283).

533273221 is a wasteful number, since it uses less digits than its factorization.

533273221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413031.

The product of its digits is 7560, while the sum is 28.

The square root of 533273221 is about 23092.7092607169. The cubic root of 533273221 is about 810.9297969855.

The spelling of 533273221 in words is "five hundred thirty-three million, two hundred seventy-three thousand, two hundred twenty-one".