5617643 has 2 divisors, whose sum is σ = 5617644. Its totient is φ = 5617642.

The previous prime is 5617639. The next prime is 5617657. The reversal of 5617643 is 3467165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5617643 - 2² = 5617639 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5617613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808821 + 2808822.

It is an arithmetic number, because the mean of its divisors is an integer number (2808822).

Almost surely, 2^5617643 is an apocalyptic number.

5617643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5617643 is an equidigital number, since it uses as much as digits as its factorization.

5617643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 5617643 is about 2370.1567458715. The cubic root of 5617643 is about 177.7670963924.

The spelling of 5617643 in words is "five million, six hundred seventeen thousand, six hundred forty-three".