540520533 has 40 divisors (see below), whose sum is σ = 924695552. Its totient is φ = 308232864.

The previous prime is 540520511. The next prime is 540520537. The reversal of 540520533 is 335025045.

It is not a de Polignac number, because 540520533 - 2⁵ = 540520501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540520497 and 540520506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540520537) 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 39 ways as a sum of consecutive naturals, for example, 496716 + ... + 497802.

Almost surely, 2^540520533 is an apocalyptic number.

It is an amenable number.

540520533 is a deficient number, since it is larger than the sum of its proper divisors (384175019).

540520533 is a wasteful number, since it uses less digits than its factorization.

540520533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 540520533 is about 23249.0974663534. The cubic root of 540520533 is about 814.5868572351.

Adding to 540520533 its reverse (335025045), we get a palindrome (875545578).

The spelling of 540520533 in words is "five hundred forty million, five hundred twenty thousand, five hundred thirty-three".