213542205 has 8 divisors (see below), whose sum is σ = 341667552. Its totient is φ = 113889168.

The previous prime is 213542191. The next prime is 213542221. The reversal of 213542205 is 502245312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213542205 - 2¹¹ = 213540157 is a prime.

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, 7118059 + ... + 7118088.

It is an arithmetic number, because the mean of its divisors is an integer number (42708444).

Almost surely, 2^213542205 is an apocalyptic number.

It is an amenable number.

213542205 is a deficient number, since it is larger than the sum of its proper divisors (128125347).

213542205 is a wasteful number, since it uses less digits than its factorization.

213542205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236155.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 213542205 is about 14613.0833502037. The cubic root of 213542205 is about 597.7155772820.

Adding to 213542205 its reverse (502245312), we get a palindrome (715787517).

The spelling of 213542205 in words is "two hundred thirteen million, five hundred forty-two thousand, two hundred five".