5231325509 has 2 divisors, whose sum is σ = 5231325510. Its totient is φ = 5231325508.

The previous prime is 5231325497. The next prime is 5231325529. The reversal of 5231325509 is 9055231325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4610817409 + 620508100 = 67903^2 + 24910^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231325509 - 2¹⁶ = 5231259973 is a prime.

It is a super-2 number, since 2×5231325509² = 54733533162228218162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5231325529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615662754 + 2615662755.

It is an arithmetic number, because the mean of its divisors is an integer number (2615662755).

Almost surely, 2^5231325509 is an apocalyptic number.

It is an amenable number.

5231325509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231325509 is an equidigital number, since it uses as much as digits as its factorization.

5231325509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 5231325509 is about 72327.9027001336. The cubic root of 5231325509 is about 1735.9501431746.

The spelling of 5231325509 in words is "five billion, two hundred thirty-one million, three hundred twenty-five thousand, five hundred nine".