540641589 has 16 divisors (see below), whose sum is σ = 727244928. Its totient is φ = 357244992.

The previous prime is 540641551. The next prime is 540641653. The reversal of 540641589 is 985146045.

It is not a de Polignac number, because 540641589 - 2¹⁷ = 540510517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540641589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540641489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228199 + ... + 230555.

It is an arithmetic number, because the mean of its divisors is an integer number (45452808).

Almost surely, 2^540641589 is an apocalyptic number.

It is an amenable number.

540641589 is a deficient number, since it is larger than the sum of its proper divisors (186603339).

540641589 is a wasteful number, since it uses less digits than its factorization.

540641589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 540641589 is about 23251.7007765024. The cubic root of 540641589 is about 814.6476648331.

The spelling of 540641589 in words is "five hundred forty million, six hundred forty-one thousand, five hundred eighty-nine".