540501513 has 16 divisors (see below), whose sum is σ = 742860480. Its totient is φ = 349310016.

The previous prime is 540501509. The next prime is 540501527. The reversal of 540501513 is 315105045.

It is not a de Polignac number, because 540501513 - 2² = 540501509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540501503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21958 + ... + 39536.

It is an arithmetic number, because the mean of its divisors is an integer number (46428780).

Almost surely, 2^540501513 is an apocalyptic number.

It is an amenable number.

540501513 is a deficient number, since it is larger than the sum of its proper divisors (202358967).

540501513 is a wasteful number, since it uses less digits than its factorization.

540501513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 540501513 is about 23248.6884146181. The cubic root of 540501513 is about 814.5773024801.

Adding to 540501513 its reverse (315105045), we get a palindrome (855606558).

The spelling of 540501513 in words is "five hundred forty million, five hundred one thousand, five hundred thirteen".