5281381871 has 2 divisors, whose sum is σ = 5281381872. Its totient is φ = 5281381870.

The previous prime is 5281381843. The next prime is 5281381957. The reversal of 5281381871 is 1781831825.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5281381871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5281381571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640690935 + 2640690936.

It is an arithmetic number, because the mean of its divisors is an integer number (2640690936).

Almost surely, 2^5281381871 is an apocalyptic number.

5281381871 is a deficient number, since it is larger than the sum of its proper divisors (1).

5281381871 is an equidigital number, since it uses as much as digits as its factorization.

5281381871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 44.

The square root of 5281381871 is about 72673.1165631418. The cubic root of 5281381871 is about 1741.4694363608.

The spelling of 5281381871 in words is "five billion, two hundred eighty-one million, three hundred eighty-one thousand, eight hundred seventy-one".