16835213 has 2 divisors, whose sum is σ = 16835214. Its totient is φ = 16835212.

The previous prime is 16835209. The next prime is 16835233. The reversal of 16835213 is 31253861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9012004 + 7823209 = 3002^2 + 2797^2 .

It is an emirp because it is prime and its reverse (31253861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16835213 - 2² = 16835209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16835233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8417606 + 8417607.

It is an arithmetic number, because the mean of its divisors is an integer number (8417607).

Almost surely, 2^16835213 is an apocalyptic number.

It is an amenable number.

16835213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16835213 is an equidigital number, since it uses as much as digits as its factorization.

16835213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 16835213 is about 4103.0736040193. The cubic root of 16835213 is about 256.2946487340.

The spelling of 16835213 in words is "sixteen million, eight hundred thirty-five thousand, two hundred thirteen".