540531523 has 8 divisors (see below), whose sum is σ = 619764992. Its totient is φ = 461801736.

The previous prime is 540531517. The next prime is 540531547. The reversal of 540531523 is 325135045.

540531523 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 540531523 - 2²⁵ = 506977091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540531491 and 540531500.

It is not an unprimeable number, because it can be changed into a prime (540531503) 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, 123615 + ... + 127912.

It is an arithmetic number, because the mean of its divisors is an integer number (77470624).

Almost surely, 2^540531523 is an apocalyptic number.

540531523 is a deficient number, since it is larger than the sum of its proper divisors (79233469).

540531523 is a wasteful number, since it uses less digits than its factorization.

540531523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251841.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 540531523 is about 23249.3338184129. Note that the first 3 decimals coincide. The cubic root of 540531523 is about 814.5923779929.

Adding to 540531523 its reverse (325135045), we get a palindrome (865666568).

The spelling of 540531523 in words is "five hundred forty million, five hundred thirty-one thousand, five hundred twenty-three".