213052205 has 8 divisors (see below), whose sum is σ = 258535800. Its totient is φ = 168526336.

The previous prime is 213052157. The next prime is 213052207. The reversal of 213052205 is 502250312.

It can be written as a sum of positive squares in 4 ways, for example, as 5317636 + 207734569 = 2306^2 + 14413^2 .

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 213052205 - 2⁶ = 213052141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213052207) 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, 238940 + ... + 239829.

It is an arithmetic number, because the mean of its divisors is an integer number (32316975).

Almost surely, 2^213052205 is an apocalyptic number.

It is an amenable number.

213052205 is a deficient number, since it is larger than the sum of its proper divisors (45483595).

213052205 is an equidigital number, since it uses as much as digits as its factorization.

213052205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478863.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 213052205 is about 14596.3079235812. The cubic root of 213052205 is about 597.2580487788.

The spelling of 213052205 in words is "two hundred thirteen million, fifty-two thousand, two hundred five".