16009613 has 2 divisors, whose sum is σ = 16009614. Its totient is φ = 16009612.

The previous prime is 16009589. The next prime is 16009649. The reversal of 16009613 is 31690061.

16009613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10259209 + 5750404 = 3203^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 16009613 - 2⁶ = 16009549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16009313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8004806 + 8004807.

It is an arithmetic number, because the mean of its divisors is an integer number (8004807).

Almost surely, 2^16009613 is an apocalyptic number.

It is an amenable number.

16009613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16009613 is an equidigital number, since it uses as much as digits as its factorization.

16009613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 16009613 is about 4001.2014445664. The cubic root of 16009613 is about 252.0346649634.

Adding to 16009613 its reverse (31690061), we get a palindrome (47699674).

The spelling of 16009613 in words is "sixteen million, nine thousand, six hundred thirteen".