213324252 has 24 divisors (see below), whose sum is σ = 498548736. Its totient is φ = 70994928.

The previous prime is 213324239. The next prime is 213324269. The reversal of 213324252 is 252423312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6108 + ... + 21539.

It is an arithmetic number, because the mean of its divisors is an integer number (20772864).

Almost surely, 2^213324252 is an apocalyptic number.

It is an amenable number.

213324252 is an abundant number, since it is smaller than the sum of its proper divisors (285224484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213324252 is a wasteful number, since it uses less digits than its factorization.

213324252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28297 (or 28295 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 213324252 is about 14605.6239853010. The cubic root of 213324252 is about 597.5121541852.

Adding to 213324252 its reverse (252423312), we get a palindrome (465747564).

The spelling of 213324252 in words is "two hundred thirteen million, three hundred twenty-four thousand, two hundred fifty-two".