4238281 has 2 divisors, whose sum is σ = 4238282. Its totient is φ = 4238280.

The previous prime is 4238261. The next prime is 4238303. The reversal of 4238281 is 1828324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1729225 = 1584^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238281 - 2⁷ = 4238153 is a prime.

It is a super-2 number, since 2×4238281² = 35926051669922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4238231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119140 + 2119141.

It is an arithmetic number, because the mean of its divisors is an integer number (2119141).

Almost surely, 2^4238281 is an apocalyptic number.

It is an amenable number.

4238281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238281 is an equidigital number, since it uses as much as digits as its factorization.

4238281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

The square root of 4238281 is about 2058.7085757824. The cubic root of 4238281 is about 161.8315706156.

The spelling of 4238281 in words is "four million, two hundred thirty-eight thousand, two hundred eighty-one".