539011061 has 4 divisors (see below), whose sum is σ = 570717612. Its totient is φ = 507304512.

The previous prime is 539011021. The next prime is 539011069. The reversal of 539011061 is 160110935.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 339664900 + 199346161 = 18430^2 + 14119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539011061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 539011061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539011069) 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 in 3 ways as a sum of consecutive naturals, for example, 15853250 + ... + 15853283.

It is an arithmetic number, because the mean of its divisors is an integer number (142679403).

Almost surely, 2^539011061 is an apocalyptic number.

It is an amenable number.

539011061 is a deficient number, since it is larger than the sum of its proper divisors (31706551).

539011061 is a wasteful number, since it uses less digits than its factorization.

539011061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31706550.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 539011061 is about 23216.6117467644. The cubic root of 539011061 is about 813.8278713086.

Adding to 539011061 its reverse (160110935), we get a palindrome (699121996).

The spelling of 539011061 in words is "five hundred thirty-nine million, eleven thousand, sixty-one".