540801 has 6 divisors (see below), whose sum is σ = 781170. Its totient is φ = 360528.

The previous prime is 540781. The next prime is 540803. The reversal of 540801 is 108045.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 576 = 735^2 + 24^2 .

It is not a de Polignac number, because 540801 - 2⁵ = 540769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30036 + ... + 30053.

It is an arithmetic number, because the mean of its divisors is an integer number (130195).

2⁵⁴⁰⁸⁰¹ is an apocalyptic number.

It is an amenable number.

540801 is a deficient number, since it is larger than the sum of its proper divisors (240369).

540801 is a wasteful number, since it uses less digits than its factorization.

540801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60095 (or 60092 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 540801 is about 735.3917323441. The cubic root of 540801 is about 81.4727724673.

Adding to 540801 its reverse (108045), we get a palindrome (648846).

The spelling of 540801 in words is "five hundred forty thousand, eight hundred one".