4073281 has 4 divisors (see below), whose sum is σ = 4079572. Its totient is φ = 4066992.

The previous prime is 4073257. The next prime is 4073287. The reversal of 4073281 is 1823704.

4073281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 152881 = 1980^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 4073281 - 2⁵ = 4073249 is a prime.

It is a super-2 number, since 2×4073281² = 33183236209922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4073287) 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 in 3 ways as a sum of consecutive naturals, for example, 2046 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (1019893).

Almost surely, 2^4073281 is an apocalyptic number.

It is an amenable number.

4073281 is a deficient number, since it is larger than the sum of its proper divisors (6291).

4073281 is an equidigital number, since it uses as much as digits as its factorization.

4073281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4073281 is about 2018.2371020274. The cubic root of 4073281 is about 159.7036310605.

Adding to 4073281 its reverse (1823704), we get a palindrome (5896985).

The spelling of 4073281 in words is "four million, seventy-three thousand, two hundred eighty-one".