540434543 has 8 divisors (see below), whose sum is σ = 605499600. Its totient is φ = 478025280.

The previous prime is 540434533. The next prime is 540434551. The reversal of 540434543 is 345434045.

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 540434543 - 2⁸ = 540434287 is a prime.

It is a super-3 number, since 3×540434543³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540434533) 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 7 ways as a sum of consecutive naturals, for example, 663518 + ... + 664331.

It is an arithmetic number, because the mean of its divisors is an integer number (75687450).

Almost surely, 2^540434543 is an apocalyptic number.

540434543 is a deficient number, since it is larger than the sum of its proper divisors (65065057).

540434543 is a wasteful number, since it uses less digits than its factorization.

540434543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327897.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 540434543 is about 23247.2480736968. The cubic root of 540434543 is about 814.5436581123.

Adding to 540434543 its reverse (345434045), we get a palindrome (885868588).

The spelling of 540434543 in words is "five hundred forty million, four hundred thirty-four thousand, five hundred forty-three".