213533205 has 16 divisors (see below), whose sum is σ = 341888064. Its totient is φ = 113806080.

The previous prime is 213533197. The next prime is 213533231. The reversal of 213533205 is 502335312.

It is a happy number.

It is not a de Polignac number, because 213533205 - 2³ = 213533197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22650 + ... + 30660.

It is an arithmetic number, because the mean of its divisors is an integer number (21368004).

Almost surely, 2^213533205 is an apocalyptic number.

It is an amenable number.

213533205 is a deficient number, since it is larger than the sum of its proper divisors (128354859).

213533205 is a wasteful number, since it uses less digits than its factorization.

213533205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 213533205 is about 14612.7754037349. The cubic root of 213533205 is about 597.7071800103.

Adding to 213533205 its reverse (502335312), we get a palindrome (715868517).

The spelling of 213533205 in words is "two hundred thirteen million, five hundred thirty-three thousand, two hundred five".