539772289 has 9 divisors (see below), whose sum is σ = 628087617. Its totient is φ = 462522564.

The previous prime is 539772281. The next prime is 539772313. The reversal of 539772289 is 982277935.

The square root of 539772289 is 23233.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 539772289 - 2³ = 539772281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539772281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 160972 + ... + 164290.

It is an arithmetic number, because the mean of its divisors is an integer number (69787513).

Almost surely, 2^539772289 is an apocalyptic number.

539772289 is the 23233-rd square number.

539772289 is the 11617-th centered octagonal number.

It is an amenable number.

539772289 is a deficient number, since it is larger than the sum of its proper divisors (88315328).

539772289 is an frugal number, since it uses more digits than its factorization.

539772289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652 (or 3326 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The cubic root of 539772289 is about 814.2108054132.

The spelling of 539772289 in words is "five hundred thirty-nine million, seven hundred seventy-two thousand, two hundred eighty-nine".