5281443 has 10 divisors (see below), whose sum is σ = 7889684. Its totient is φ = 3520908.

The previous prime is 5281433. The next prime is 5281447. The reversal of 5281443 is 3441825.

It is not a de Polignac number, because 5281443 - 2⁶ = 5281379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5281447) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32521 + ... + 32682.

Almost surely, 2^5281443 is an apocalyptic number.

5281443 is a deficient number, since it is larger than the sum of its proper divisors (2608241).

5281443 is an equidigital number, since it uses as much as digits as its factorization.

5281443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65215 (or 65206 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 5281443 is about 2298.1390297369. The cubic root of 5281443 is about 174.1476155175.

The spelling of 5281443 in words is "five million, two hundred eighty-one thousand, four hundred forty-three".