540620611 has 4 divisors (see below), whose sum is σ = 540941632. Its totient is φ = 540299592.

The previous prime is 540620609. The next prime is 540620627. The reversal of 540620611 is 116026045.

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

It is a cyclic number.

It is not a de Polignac number, because 540620611 - 2¹ = 540620609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540620671) 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 3 ways as a sum of consecutive naturals, for example, 157971 + ... + 161356.

It is an arithmetic number, because the mean of its divisors is an integer number (135235408).

Almost surely, 2^540620611 is an apocalyptic number.

540620611 is a deficient number, since it is larger than the sum of its proper divisors (321021).

540620611 is a wasteful number, since it uses less digits than its factorization.

540620611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321020.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 540620611 is about 23251.2496653406. The cubic root of 540620611 is about 814.6371280313.

Adding to 540620611 its reverse (116026045), we get a palindrome (656646656).

The spelling of 540620611 in words is "five hundred forty million, six hundred twenty thousand, six hundred eleven".