4943281 has 4 divisors (see below), whose sum is σ = 5649472. Its totient is φ = 4237092.

The previous prime is 4943273. The next prime is 4943299. The reversal of 4943281 is 1823494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4943281 - 2³ = 4943273 is a prime.

It is a super-2 number, since 2×4943281² = 48872054089922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4943201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353085 + ... + 353098.

It is an arithmetic number, because the mean of its divisors is an integer number (1412368).

Almost surely, 2^4943281 is an apocalyptic number.

It is an amenable number.

4943281 is a deficient number, since it is larger than the sum of its proper divisors (706191).

4943281 is an equidigital number, since it uses as much as digits as its factorization.

4943281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706190.

The product of its digits is 6912, while the sum is 31.

The square root of 4943281 is about 2223.3490504192. The cubic root of 4943281 is about 170.3485467174.

The spelling of 4943281 in words is "four million, nine hundred forty-three thousand, two hundred eighty-one".