539068613 has 4 divisors (see below), whose sum is σ = 544406028. Its totient is φ = 533731200.

The previous prime is 539068609. The next prime is 539068619. The reversal of 539068613 is 316860935.

539068613 = 16417² + 16418².

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 269517889 + 269550724 = 16417^2 + 16418^2 .

It is a cyclic number.

It is not a de Polignac number, because 539068613 - 2² = 539068609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539068619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668556 + ... + 2668757.

It is an arithmetic number, because the mean of its divisors is an integer number (136101507).

Almost surely, 2^539068613 is an apocalyptic number.

539068613 is the 16418-th centered square number.

It is an amenable number.

539068613 is a deficient number, since it is larger than the sum of its proper divisors (5337415).

539068613 is a wasteful number, since it uses less digits than its factorization.

539068613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337414.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 539068613 is about 23217.8511710279. The cubic root of 539068613 is about 813.8568353121.

The spelling of 539068613 in words is "five hundred thirty-nine million, sixty-eight thousand, six hundred thirteen".