540023611 has 4 divisors (see below), whose sum is σ = 540072712. Its totient is φ = 539974512.

The previous prime is 540023591. The next prime is 540023623. The reversal of 540023611 is 116320045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 540023611 - 2⁵ = 540023579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540023641) 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, 400 + ... + 32866.

It is an arithmetic number, because the mean of its divisors is an integer number (135018178).

Almost surely, 2^540023611 is an apocalyptic number.

540023611 is a deficient number, since it is larger than the sum of its proper divisors (49101).

540023611 is a wasteful number, since it uses less digits than its factorization.

540023611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49100.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 540023611 is about 23238.4080995235. The cubic root of 540023611 is about 814.3371533452.

Adding to 540023611 its reverse (116320045), we get a palindrome (656343656).

The spelling of 540023611 in words is "five hundred forty million, twenty-three thousand, six hundred eleven".