213328851 has 4 divisors (see below), whose sum is σ = 284438472. Its totient is φ = 142219232.

The previous prime is 213328831. The next prime is 213328853. The reversal of 213328851 is 158823312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213328851 - 2¹¹ = 213326803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213328853) 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, 35554806 + ... + 35554811.

It is an arithmetic number, because the mean of its divisors is an integer number (71109618).

Almost surely, 2^213328851 is an apocalyptic number.

213328851 is a deficient number, since it is larger than the sum of its proper divisors (71109621).

213328851 is an equidigital number, since it uses as much as digits as its factorization.

213328851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71109620.

The product of its digits is 11520, while the sum is 33.

The square root of 213328851 is about 14605.7814238061. The cubic root of 213328851 is about 597.5164480221.

The spelling of 213328851 in words is "two hundred thirteen million, three hundred twenty-eight thousand, eight hundred fifty-one".