213533282 has 8 divisors (see below), whose sum is σ = 320374236. Its totient is φ = 106741872.

The previous prime is 213533279. The next prime is 213533297. The reversal of 213533282 is 282335312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 151265401 + 62267881 = 12299^2 + 7891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508 + ... + 20720.

Almost surely, 2^213533282 is an apocalyptic number.

213533282 is a deficient number, since it is larger than the sum of its proper divisors (106840954).

213533282 is a wasteful number, since it uses less digits than its factorization.

213533282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24772.

The product of its digits is 8640, while the sum is 29.

The square root of 213533282 is about 14612.7780384156. The cubic root of 213533282 is about 597.7072518546.

Adding to 213533282 its reverse (282335312), we get a palindrome (495868594).

The spelling of 213533282 in words is "two hundred thirteen million, five hundred thirty-three thousand, two hundred eighty-two".