16234213 has 4 divisors (see below), whose sum is σ = 16292268. Its totient is φ = 16176160.

The previous prime is 16234123. The next prime is 16234217. The reversal of 16234213 is 31243261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4524129 + 11710084 = 2127^2 + 3422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16234213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16234217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28606 + ... + 29167.

It is an arithmetic number, because the mean of its divisors is an integer number (4073067).

Almost surely, 2^16234213 is an apocalyptic number.

It is an amenable number.

16234213 is a deficient number, since it is larger than the sum of its proper divisors (58055).

16234213 is an equidigital number, since it uses as much as digits as its factorization.

16234213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58054.

The product of its digits is 864, while the sum is 22.

The square root of 16234213 is about 4029.1702619770. The cubic root of 16234213 is about 253.2078000321.

Adding to 16234213 its reverse (31243261), we get a palindrome (47477474).

The spelling of 16234213 in words is "sixteen million, two hundred thirty-four thousand, two hundred thirteen".