4231125539 has 2 divisors, whose sum is σ = 4231125540. Its totient is φ = 4231125538.

The previous prime is 4231125497. The next prime is 4231125541. The reversal of 4231125539 is 9355211324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231125539 is a prime.

Together with 4231125541, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4231125499 and 4231125508.

It is not a weakly prime, because it can be changed into another prime (4231125139) 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, 2115562769 + 2115562770.

It is an arithmetic number, because the mean of its divisors is an integer number (2115562770).

Almost surely, 2^4231125539 is an apocalyptic number.

4231125539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231125539 is an equidigital number, since it uses as much as digits as its factorization.

4231125539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 4231125539 is about 65047.1024642912. The cubic root of 4231125539 is about 1617.4044626797.

The spelling of 4231125539 in words is "four billion, two hundred thirty-one million, one hundred twenty-five thousand, five hundred thirty-nine".