5381281 has 2 divisors, whose sum is σ = 5381282. Its totient is φ = 5381280.

The previous prime is 5381273. The next prime is 5381293. The reversal of 5381281 is 1821835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 1846881 = 1880^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 5381281 - 2³ = 5381273 is a prime.

It is a super-2 number, since 2×5381281² = 57916370401922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5381251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690640 + 2690641.

It is an arithmetic number, because the mean of its divisors is an integer number (2690641).

Almost surely, 2^5381281 is an apocalyptic number.

It is an amenable number.

5381281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5381281 is an equidigital number, since it uses as much as digits as its factorization.

5381281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 5381281 is about 2319.7588236711. The cubic root of 5381281 is about 175.2381085309.

The spelling of 5381281 in words is "five million, three hundred eighty-one thousand, two hundred eighty-one".