213533682 has 16 divisors (see below), whose sum is σ = 432474240. Its totient is φ = 70276752.

The previous prime is 213533681. The next prime is 213533689. The reversal of 213533682 is 286335312.

It is not an unprimeable number, because it can be changed into a prime (213533681) 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, 224773 + ... + 225720.

It is an arithmetic number, because the mean of its divisors is an integer number (27029640).

Almost surely, 2^213533682 is an apocalyptic number.

213533682 is an abundant number, since it is smaller than the sum of its proper divisors (218940558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213533682 is a wasteful number, since it uses less digits than its factorization.

213533682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450577.

The product of its digits is 25920, while the sum is 33.

The square root of 213533682 is about 14612.7917250606. The cubic root of 213533682 is about 597.7076250716.

Adding to 213533682 its reverse (286335312), we get a palindrome (499868994).

The spelling of 213533682 in words is "two hundred thirteen million, five hundred thirty-three thousand, six hundred eighty-two".