540461111 has 4 divisors (see below), whose sum is σ = 541822872. Its totient is φ = 539099352.

The previous prime is 540460993. The next prime is 540461123. The reversal of 540461111 is 111164045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111164045 = 5 ⋅22232809.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540461111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540461171) 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, 680285 + ... + 681078.

It is an arithmetic number, because the mean of its divisors is an integer number (135455718).

Almost surely, 2^540461111 is an apocalyptic number.

540461111 is a deficient number, since it is larger than the sum of its proper divisors (1361761).

540461111 is a wasteful number, since it uses less digits than its factorization.

540461111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361760.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 540461111 is about 23247.8194891478. The cubic root of 540461111 is about 814.5570056685.

The spelling of 540461111 in words is "five hundred forty million, four hundred sixty-one thousand, one hundred eleven".