539304169 has 4 divisors (see below), whose sum is σ = 539618896. Its totient is φ = 538989444.

The previous prime is 539304163. The next prime is 539304173. The reversal of 539304169 is 961403935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 961403935 = 5 ⋅192280787.

It is a cyclic number.

It is not a de Polignac number, because 539304169 - 2⁷ = 539304041 is a prime.

It is a super-2 number, since 2×539304169² = 581697973401561122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539304163) 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, 154779 + ... + 158224.

It is an arithmetic number, because the mean of its divisors is an integer number (134904724).

Almost surely, 2^539304169 is an apocalyptic number.

It is an amenable number.

539304169 is a deficient number, since it is larger than the sum of its proper divisors (314727).

539304169 is a wasteful number, since it uses less digits than its factorization.

539304169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314726.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 539304169 is about 23222.9233517230. The cubic root of 539304169 is about 813.9753613150.

The spelling of 539304169 in words is "five hundred thirty-nine million, three hundred four thousand, one hundred sixty-nine".