16027813 has 2 divisors, whose sum is σ = 16027814. Its totient is φ = 16027812.

The previous prime is 16027769. The next prime is 16027829. The reversal of 16027813 is 31872061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 2829124 = 3633^2 + 1682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16027813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16027873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8013906 + 8013907.

It is an arithmetic number, because the mean of its divisors is an integer number (8013907).

Almost surely, 2^16027813 is an apocalyptic number.

It is an amenable number.

16027813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16027813 is an equidigital number, since it uses as much as digits as its factorization.

16027813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 16027813 is about 4003.4751154466. The cubic root of 16027813 is about 252.1301345581.

Adding to 16027813 its reverse (31872061), we get a palindrome (47899874).

The spelling of 16027813 in words is "sixteen million, twenty-seven thousand, eight hundred thirteen".