213028219 has 4 divisors (see below), whose sum is σ = 213057544. Its totient is φ = 212998896.

The previous prime is 213028217. The next prime is 213028223. The reversal of 213028219 is 912820312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213028219 - 2¹ = 213028217 is a prime.

It is a super-2 number, since 2×213028219² = 90762044180623922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213028217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5239 + ... + 21295.

It is an arithmetic number, because the mean of its divisors is an integer number (53264386).

Almost surely, 2^213028219 is an apocalyptic number.

213028219 is a deficient number, since it is larger than the sum of its proper divisors (29325).

213028219 is a wasteful number, since it uses less digits than its factorization.

213028219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29324.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 213028219 is about 14595.4862543185. The cubic root of 213028219 is about 597.2356342893.

The spelling of 213028219 in words is "two hundred thirteen million, twenty-eight thousand, two hundred nineteen".