5243281 has 2 divisors, whose sum is σ = 5243282. Its totient is φ = 5243280.

The previous prime is 5243269. The next prime is 5243317. The reversal of 5243281 is 1823425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4730625 + 512656 = 2175^2 + 716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5243281 is a prime.

It is a super-2 number, since 2×5243281² = 54983991289922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5³ + 2⁵ + 4¹⁰ + 3⁵ + 2²¹ + 8⁷ + 1 .

It is a zygodrome in base 13.

It is not a weakly prime, because it can be changed into another prime (5243201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621640 + 2621641.

It is an arithmetic number, because the mean of its divisors is an integer number (2621641).

Almost surely, 2^5243281 is an apocalyptic number.

It is an amenable number.

5243281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243281 is an equidigital number, since it uses as much as digits as its factorization.

5243281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 5243281 is about 2289.8211720569. The cubic root of 5243281 is about 173.7271563916.

The spelling of 5243281 in words is "five million, two hundred forty-three thousand, two hundred eighty-one".