540041321 has 4 divisors (see below), whose sum is σ = 540244992. Its totient is φ = 539837652.

The previous prime is 540041317. The next prime is 540041339. The reversal of 540041321 is 123140045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540041321 - 2² = 540041317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540041293 and 540041302.

It is not an unprimeable number, because it can be changed into a prime (540041521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97805 + ... + 103178.

It is an arithmetic number, because the mean of its divisors is an integer number (135061248).

Almost surely, 2^540041321 is an apocalyptic number.

It is an amenable number.

540041321 is a deficient number, since it is larger than the sum of its proper divisors (203671).

540041321 is a wasteful number, since it uses less digits than its factorization.

540041321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203670.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 540041321 is about 23238.7891465971. The cubic root of 540041321 is about 814.3460552728.

Adding to 540041321 its reverse (123140045), we get a palindrome (663181366).

The spelling of 540041321 in words is "five hundred forty million, forty-one thousand, three hundred twenty-one".