540471 has 8 divisors (see below), whose sum is σ = 724464. Its totient is φ = 358400.

The previous prime is 540469. The next prime is 540509. The reversal of 540471 is 174045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 11-Lehmer number, since φ(540471) divides (540471-1)¹¹.

It is a cyclic number.

It is not a de Polignac number, because 540471 - 2¹ = 540469 is a prime.

It is a super-3 number, since 3×540471³ = 473629170860721333, which contains 333 as substring.

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 540471.

It is not an unprimeable number, because it can be changed into a prime (540461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 1121.

It is an arithmetic number, because the mean of its divisors is an integer number (90558).

2⁵⁴⁰⁴⁷¹ is an apocalyptic number.

540471 is a deficient number, since it is larger than the sum of its proper divisors (183993).

540471 is a wasteful number, since it uses less digits than its factorization.

540471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 540471 is about 735.1673278921. The cubic root of 540471 is about 81.4561973713.

The spelling of 540471 in words is "five hundred forty thousand, four hundred seventy-one".