539586441 has 45 divisors (see below), whose sum is σ = 844287301. Its totient is φ = 343417536.

The previous prime is 539586431. The next prime is 539586449. The reversal of 539586441 is 144685935.

The square root of 539586441 is 23229.

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

539586441 is a `hidden beast` number, since 539 + 58 + 64 + 4 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 49406841 + 490179600 = 7029^2 + 22140^2 .

It is a de Polignac number, because none of the positive numbers 2^k-539586441 is a prime.

It is a super-2 number, since 2×539586441² = 582307054622092962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (539586449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 6062725 + ... + 6062813.

Almost surely, 2^539586441 is an apocalyptic number.

539586441 is the 23229-th square number.

539586441 is the 11615-th centered octagonal number.

It is an amenable number.

539586441 is a deficient number, since it is larger than the sum of its proper divisors (304700860).

539586441 is an frugal number, since it uses more digits than its factorization.

539586441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 121 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The cubic root of 539586441 is about 814.1173482135.

Multiplying 539586441 by its product of digits (518400), we get a square (279721611014400 = 16724880²).

The spelling of 539586441 in words is "five hundred thirty-nine million, five hundred eighty-six thousand, four hundred forty-one".