213324057 has 16 divisors (see below), whose sum is σ = 329777280. Its totient is φ = 136032336.

The previous prime is 213324017. The next prime is 213324073. The reversal of 213324057 is 750423312.

It is not a de Polignac number, because 213324057 - 2¹¹ = 213322009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 213324057.

It is not an unprimeable number, because it can be changed into a prime (213324017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 171138 + ... + 172379.

It is an arithmetic number, because the mean of its divisors is an integer number (20611080).

Almost surely, 2^213324057 is an apocalyptic number.

213324057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

213324057 is a deficient number, since it is larger than the sum of its proper divisors (116453223).

213324057 is a wasteful number, since it uses less digits than its factorization.

213324057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343549 (or 343543 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 213324057 is about 14605.6173097887. The cubic root of 213324057 is about 597.5119721229.

Adding to 213324057 its reverse (750423312), we get a palindrome (963747369).

The spelling of 213324057 in words is "two hundred thirteen million, three hundred twenty-four thousand, fifty-seven".