540671 has 8 divisors (see below), whose sum is σ = 566784. Its totient is φ = 515160.

The previous prime is 540629. The next prime is 540677. The reversal of 540671 is 176045.

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

It is a cyclic number.

It is not a de Polignac number, because 540671 - 2¹⁴ = 524287 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 (540677) 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, 3236 + ... + 3398.

It is an arithmetic number, because the mean of its divisors is an integer number (70848).

2⁵⁴⁰⁶⁷¹ is an apocalyptic number.

540671 is a deficient number, since it is larger than the sum of its proper divisors (26113).

540671 is a wasteful number, since it uses less digits than its factorization.

540671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 540671 is about 735.3033387657. The cubic root of 540671 is about 81.4662436892.

The spelling of 540671 in words is "five hundred forty thousand, six hundred seventy-one".