5281243589 has 2 divisors, whose sum is σ = 5281243590. Its totient is φ = 5281243588.

The previous prime is 5281243567. The next prime is 5281243609. The reversal of 5281243589 is 9853421825.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4151611489 + 1129632100 = 64433^2 + 33610^2 .

It is a cyclic number.

It is not a de Polignac number, because 5281243589 - 2¹² = 5281239493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5281243519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640621794 + 2640621795.

It is an arithmetic number, because the mean of its divisors is an integer number (2640621795).

Almost surely, 2^5281243589 is an apocalyptic number.

It is an amenable number.

5281243589 is a deficient number, since it is larger than the sum of its proper divisors (1).

5281243589 is an equidigital number, since it uses as much as digits as its factorization.

5281243589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The square root of 5281243589 is about 72672.1651597088. The cubic root of 5281243589 is about 1741.4542373097.

The spelling of 5281243589 in words is "five billion, two hundred eighty-one million, two hundred forty-three thousand, five hundred eighty-nine".