5421443 has 2 divisors, whose sum is σ = 5421444. Its totient is φ = 5421442.

The previous prime is 5421433. The next prime is 5421457. The reversal of 5421443 is 3441245.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5421443 is a prime.

It is not a weakly prime, because it can be changed into another prime (5421413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710721 + 2710722.

It is an arithmetic number, because the mean of its divisors is an integer number (2710722).

Almost surely, 2^5421443 is an apocalyptic number.

5421443 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421443 is an equidigital number, since it uses as much as digits as its factorization.

5421443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 23.

The square root of 5421443 is about 2328.3992355264. The cubic root of 5421443 is about 175.6729787483.

Adding to 5421443 its reverse (3441245), we get a palindrome (8862688).

The spelling of 5421443 in words is "five million, four hundred twenty-one thousand, four hundred forty-three".