540593681 has 8 divisors (see below), whose sum is σ = 569705280. Its totient is φ = 511548048.

The previous prime is 540593663. The next prime is 540593699. The reversal of 540593681 is 186395045.

It is an interprime number because it is at equal distance from previous prime (540593663) and next prime (540593699).

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 540593681 - 2²² = 536399377 is a prime.

It is a super-2 number, since 2×540593681² = 584483055874259522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540590681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815 + ... + 32891.

It is an arithmetic number, because the mean of its divisors is an integer number (71213160).

Almost surely, 2^540593681 is an apocalyptic number.

It is an amenable number.

540593681 is a deficient number, since it is larger than the sum of its proper divisors (29111599).

540593681 is a wasteful number, since it uses less digits than its factorization.

540593681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32983.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 540593681 is about 23250.6705494702. The cubic root of 540593681 is about 814.6236012674.

The spelling of 540593681 in words is "five hundred forty million, five hundred ninety-three thousand, six hundred eighty-one".