16541219 has 2 divisors, whose sum is σ = 16541220. Its totient is φ = 16541218.

The previous prime is 16541201. The next prime is 16541251. The reversal of 16541219 is 91214561.

It is a weak prime.

It is an emirp because it is prime and its reverse (91214561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16541219 - 2¹² = 16537123 is a prime.

It is a super-2 number, since 2×16541219² = 547223852011922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16541191 and 16541200.

It is not a weakly prime, because it can be changed into another prime (16541269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8270609 + 8270610.

It is an arithmetic number, because the mean of its divisors is an integer number (8270610).

Almost surely, 2^16541219 is an apocalyptic number.

16541219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16541219 is an equidigital number, since it uses as much as digits as its factorization.

16541219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 16541219 is about 4067.0897457519. The cubic root of 16541219 is about 254.7939845718.

The spelling of 16541219 in words is "sixteen million, five hundred forty-one thousand, two hundred nineteen".