5616643 has 2 divisors, whose sum is σ = 5616644. Its totient is φ = 5616642.

The previous prime is 5616629. The next prime is 5616659. The reversal of 5616643 is 3466165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5616643 - 2⁹ = 5616131 is a prime.

It is not a weakly prime, because it can be changed into another prime (5611643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808321 + 2808322.

It is an arithmetic number, because the mean of its divisors is an integer number (2808322).

Almost surely, 2^5616643 is an apocalyptic number.

5616643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5616643 is an equidigital number, since it uses as much as digits as its factorization.

5616643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 5616643 is about 2369.9457799705. The cubic root of 5616643 is about 177.7565476239.

The spelling of 5616643 in words is "five million, six hundred sixteen thousand, six hundred forty-three".