539021747 has 16 divisors (see below), whose sum is σ = 593961984. Its totient is φ = 485100000.

The previous prime is 539021741. The next prime is 539021843. The reversal of 539021747 is 747120935.

It is not a de Polignac number, because 539021747 - 2⁴ = 539021731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539021747.

It is not an unprimeable number, because it can be changed into a prime (539021741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543422 + ... + 544412.

It is an arithmetic number, because the mean of its divisors is an integer number (37122624).

Almost surely, 2^539021747 is an apocalyptic number.

539021747 is a deficient number, since it is larger than the sum of its proper divisors (54940237).

539021747 is a wasteful number, since it uses less digits than its factorization.

539021747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 539021747 is about 23216.8418825645. The cubic root of 539021747 is about 813.8332493721.

The spelling of 539021747 in words is "five hundred thirty-nine million, twenty-one thousand, seven hundred forty-seven".