16613243 has 2 divisors, whose sum is σ = 16613244. Its totient is φ = 16613242.

The previous prime is 16613237. The next prime is 16613249. The reversal of 16613243 is 34231661.

It is a balanced prime because it is at equal distance from previous prime (16613237) and next prime (16613249).

It is a cyclic number.

It is not a de Polignac number, because 16613243 - 2⁴ = 16613227 is a prime.

It is not a weakly prime, because it can be changed into another prime (16613249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8306621 + 8306622.

It is an arithmetic number, because the mean of its divisors is an integer number (8306622).

Almost surely, 2^16613243 is an apocalyptic number.

16613243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16613243 is an equidigital number, since it uses as much as digits as its factorization.

16613243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 16613243 is about 4075.9346167474. The cubic root of 16613243 is about 255.1632582643.

The spelling of 16613243 in words is "sixteen million, six hundred thirteen thousand, two hundred forty-three".