5443643 has 2 divisors, whose sum is σ = 5443644. Its totient is φ = 5443642.

The previous prime is 5443639. The next prime is 5443649. The reversal of 5443643 is 3463445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5443643 - 2² = 5443639 is a prime.

It is a super-2 number, since 2×5443643² = 59266498222898, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5443649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721821 + 2721822.

It is an arithmetic number, because the mean of its divisors is an integer number (2721822).

Almost surely, 2^5443643 is an apocalyptic number.

5443643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443643 is an equidigital number, since it uses as much as digits as its factorization.

5443643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 29.

The square root of 5443643 is about 2333.1615889175. The cubic root of 5443643 is about 175.9124370734.

The spelling of 5443643 in words is "five million, four hundred forty-three thousand, six hundred forty-three".