213008205 has 16 divisors (see below), whose sum is σ = 341417664. Its totient is φ = 113402880.

The previous prime is 213008203. The next prime is 213008273. The reversal of 213008205 is 502800312.

It is not a de Polignac number, because 213008205 - 2¹ = 213008203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213008203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3651 + ... + 20960.

It is an arithmetic number, because the mean of its divisors is an integer number (21338604).

Almost surely, 2^213008205 is an apocalyptic number.

It is an amenable number.

213008205 is a deficient number, since it is larger than the sum of its proper divisors (128409459).

213008205 is a wasteful number, since it uses less digits than its factorization.

213008205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25196.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 213008205 is about 14594.8006152876. The cubic root of 213008205 is about 597.2169302754.

Adding to 213008205 its reverse (502800312), we get a palindrome (715808517).

The spelling of 213008205 in words is "two hundred thirteen million, eight thousand, two hundred five".