539690289 has 4 divisors (see below), whose sum is σ = 719587056. Its totient is φ = 359793524.

The previous prime is 539690243. The next prime is 539690297. The reversal of 539690289 is 982096935.

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.

It is a cyclic number.

It is not a de Polignac number, because 539690289 - 2¹² = 539686193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (539690219) 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, 89948379 + ... + 89948384.

It is an arithmetic number, because the mean of its divisors is an integer number (179896764).

Almost surely, 2^539690289 is an apocalyptic number.

It is an amenable number.

539690289 is a deficient number, since it is larger than the sum of its proper divisors (179896767).

539690289 is a wasteful number, since it uses less digits than its factorization.

539690289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179896766.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 539690289 is about 23231.2352017709. The cubic root of 539690289 is about 814.1695727993.

The spelling of 539690289 in words is "five hundred thirty-nine million, six hundred ninety thousand, two hundred eighty-nine".