540524143 has 4 divisors (see below), whose sum is σ = 540878728. Its totient is φ = 540169560.

The previous prime is 540524123. The next prime is 540524167. The reversal of 540524143 is 341425045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540524143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540524113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174996 + ... + 178057.

It is an arithmetic number, because the mean of its divisors is an integer number (135219682).

Almost surely, 2^540524143 is an apocalyptic number.

540524143 is a deficient number, since it is larger than the sum of its proper divisors (354585).

540524143 is a wasteful number, since it uses less digits than its factorization.

540524143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354584.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 540524143 is about 23249.1751036462. The cubic root of 540524143 is about 814.5886707043.

Adding to 540524143 its reverse (341425045), we get a palindrome (881949188).

The spelling of 540524143 in words is "five hundred forty million, five hundred twenty-four thousand, one hundred forty-three".