539100891 has 36 divisors (see below), whose sum is σ = 912550392. Its totient is φ = 305774784.

The previous prime is 539100869. The next prime is 539100901. The reversal of 539100891 is 198001935.

It is a happy number.

It is not a de Polignac number, because 539100891 - 2¹⁰ = 539099867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (539100391) 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 35 ways as a sum of consecutive naturals, for example, 55956 + ... + 64878.

It is an arithmetic number, because the mean of its divisors is an integer number (25348622).

Almost surely, 2^539100891 is an apocalyptic number.

539100891 is a deficient number, since it is larger than the sum of its proper divisors (373449501).

539100891 is a wasteful number, since it uses less digits than its factorization.

539100891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080 (or 9070 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 539100891 is about 23218.5462723229. The cubic root of 539100891 is about 813.8730788514.

The spelling of 539100891 in words is "five hundred thirty-nine million, one hundred thousand, eight hundred ninety-one".