540711 has 12 divisors (see below), whose sum is σ = 792688. Its totient is φ = 355104.

The previous prime is 540703. The next prime is 540713. The reversal of 540711 is 117045.

It is not a de Polignac number, because 540711 - 2³ = 540703 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540711.

It is not an unprimeable number, because it can be changed into a prime (540713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246 + ... + 1068.

2⁵⁴⁰⁷¹¹ is an apocalyptic number.

540711 is a deficient number, since it is larger than the sum of its proper divisors (251977).

540711 is a wasteful number, since it uses less digits than its factorization.

540711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 540711 is about 735.3305379216. The cubic root of 540711 is about 81.4682526554.

Adding to 540711 its reverse (117045), we get a palindrome (657756).

The spelling of 540711 in words is "five hundred forty thousand, seven hundred eleven".