540521589 has 8 divisors (see below), whose sum is σ = 726197472. Its totient is φ = 357596720.

The previous prime is 540521543. The next prime is 540521593. The reversal of 540521589 is 985125045.

540521589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540521589 - 2⁷ = 540521461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540522589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687294 + ... + 688079.

It is an arithmetic number, because the mean of its divisors is an integer number (90774684).

Almost surely, 2^540521589 is an apocalyptic number.

It is an amenable number.

540521589 is a deficient number, since it is larger than the sum of its proper divisors (185675883).

540521589 is a wasteful number, since it uses less digits than its factorization.

540521589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375507.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 540521589 is about 23249.1201769013. The cubic root of 540521589 is about 814.5873877133.

The spelling of 540521589 in words is "five hundred forty million, five hundred twenty-one thousand, five hundred eighty-nine".