5218325989 has 2 divisors, whose sum is σ = 5218325990. Its totient is φ = 5218325988.

The previous prime is 5218325971. The next prime is 5218326013. The reversal of 5218325989 is 9895238125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3982241025 + 1236084964 = 63105^2 + 35158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5218325989 is a prime.

It is a super-2 number, since 2×5218325989² = 54461852254945656242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5218325909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609162994 + 2609162995.

It is an arithmetic number, because the mean of its divisors is an integer number (2609162995).

Almost surely, 2^5218325989 is an apocalyptic number.

It is an amenable number.

5218325989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5218325989 is an equidigital number, since it uses as much as digits as its factorization.

5218325989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 52.

The square root of 5218325989 is about 72237.9816232430. The cubic root of 5218325989 is about 1734.5110409466.

The spelling of 5218325989 in words is "five billion, two hundred eighteen million, three hundred twenty-five thousand, nine hundred eighty-nine".