539039647 has 2 divisors, whose sum is σ = 539039648. Its totient is φ = 539039646.

The previous prime is 539039609. The next prime is 539039651. The reversal of 539039647 is 746930935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539039647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539039597 and 539039606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539039047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269519823 + 269519824.

It is an arithmetic number, because the mean of its divisors is an integer number (269519824).

Almost surely, 2^539039647 is an apocalyptic number.

539039647 is a deficient number, since it is larger than the sum of its proper divisors (1).

539039647 is an equidigital number, since it uses as much as digits as its factorization.

539039647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 539039647 is about 23217.2273753780. The cubic root of 539039647 is about 813.8422579474.

The spelling of 539039647 in words is "five hundred thirty-nine million, thirty-nine thousand, six hundred forty-seven".