213324450 has 24 divisors (see below), whose sum is σ = 529045008. Its totient is φ = 56886480.

The previous prime is 213324443. The next prime is 213324467. The reversal of 213324450 is 54423312.

It is a self number, because there is not a number n which added to its sum of digits gives 213324450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 710932 + ... + 711231.

It is an arithmetic number, because the mean of its divisors is an integer number (22043542).

Almost surely, 2^213324450 is an apocalyptic number.

213324450 is an abundant number, since it is smaller than the sum of its proper divisors (315720558).

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

213324450 is a wasteful number, since it uses less digits than its factorization.

213324450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422178 (or 1422173 counting only the distinct ones).

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

The square root of 213324450 is about 14605.6307635104. The cubic root of 213324450 is about 597.5123390483.

Adding to 213324450 its reverse (54423312), we get a palindrome (267747762).

The spelling of 213324450 in words is "two hundred thirteen million, three hundred twenty-four thousand, four hundred fifty".