539925439 has 2 divisors, whose sum is σ = 539925440. Its totient is φ = 539925438.

The previous prime is 539925431. The next prime is 539925443. The reversal of 539925439 is 934529935.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 539925439 - 2³ = 539925431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539925392 and 539925401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539925431) 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, 269962719 + 269962720.

It is an arithmetic number, because the mean of its divisors is an integer number (269962720).

Almost surely, 2^539925439 is an apocalyptic number.

539925439 is a deficient number, since it is larger than the sum of its proper divisors (1).

539925439 is an equidigital number, since it uses as much as digits as its factorization.

539925439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1312200, while the sum is 49.

The square root of 539925439 is about 23236.2957245771. The cubic root of 539925439 is about 814.2878036808.

The spelling of 539925439 in words is "five hundred thirty-nine million, nine hundred twenty-five thousand, four hundred thirty-nine".