5245885439 has 2 divisors, whose sum is σ = 5245885440. Its totient is φ = 5245885438.

The previous prime is 5245885423. The next prime is 5245885453. The reversal of 5245885439 is 9345885425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5245885439 - 2⁴ = 5245885423 is a prime.

It is a super-2 number, since 2×5245885439² = 55038628078224445442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5244885439) 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, 2622942719 + 2622942720.

It is an arithmetic number, because the mean of its divisors is an integer number (2622942720).

Almost surely, 2^5245885439 is an apocalyptic number.

5245885439 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245885439 is an equidigital number, since it uses as much as digits as its factorization.

5245885439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912000, while the sum is 53.

The square root of 5245885439 is about 72428.4849972716. The cubic root of 5245885439 is about 1737.5591617555.

The spelling of 5245885439 in words is "five billion, two hundred forty-five million, eight hundred eighty-five thousand, four hundred thirty-nine".