213026284 has 12 divisors (see below), whose sum is σ = 372901144. Its totient is φ = 106483104.

The previous prime is 213026249. The next prime is 213026291. The reversal of 213026284 is 482620312.

213026284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18307 + ... + 27589.

Almost surely, 2^213026284 is an apocalyptic number.

It is an amenable number.

213026284 is a deficient number, since it is larger than the sum of its proper divisors (159874860).

213026284 is a wasteful number, since it uses less digits than its factorization.

213026284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024 (or 15022 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 213026284 is about 14595.4199665512. The cubic root of 213026284 is about 597.2338259930.

Adding to 213026284 its reverse (482620312), we get a palindrome (695646596).

The spelling of 213026284 in words is "two hundred thirteen million, twenty-six thousand, two hundred eighty-four".