538723589 has 4 divisors (see below), whose sum is σ = 553283724. Its totient is φ = 524163456.

The previous prime is 538723579. The next prime is 538723607. The reversal of 538723589 is 985327835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 985327835 = 5 ⋅197065567.

It can be written as a sum of positive squares in 2 ways, for example, as 337934689 + 200788900 = 18383^2 + 14170^2 .

It is a cyclic number.

It is not a de Polignac number, because 538723589 - 2⁸ = 538723333 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 (538723519) 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, 7280012 + ... + 7280085.

It is an arithmetic number, because the mean of its divisors is an integer number (138320931).

Almost surely, 2^538723589 is an apocalyptic number.

It is an amenable number.

538723589 is a deficient number, since it is larger than the sum of its proper divisors (14560135).

538723589 is a wasteful number, since it uses less digits than its factorization.

538723589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560134.

The product of its digits is 1814400, while the sum is 50.

The square root of 538723589 is about 23210.4198367888. The cubic root of 538723589 is about 813.6831653545.

The spelling of 538723589 in words is "five hundred thirty-eight million, seven hundred twenty-three thousand, five hundred eighty-nine".