541304221 has 4 divisors (see below), whose sum is σ = 541428832. Its totient is φ = 541179612.

The previous prime is 541304219. The next prime is 541304273. The reversal of 541304221 is 122403145.

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 541304221 - 2¹ = 541304219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541304192 and 541304201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541304821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55545 + ... + 64558.

It is an arithmetic number, because the mean of its divisors is an integer number (135357208).

Almost surely, 2^541304221 is an apocalyptic number.

It is an amenable number.

541304221 is a deficient number, since it is larger than the sum of its proper divisors (124611).

541304221 is a wasteful number, since it uses less digits than its factorization.

541304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124610.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 541304221 is about 23265.9455212979. The cubic root of 541304221 is about 814.9803505619.

Adding to 541304221 its reverse (122403145), we get a palindrome (663707366).

The spelling of 541304221 in words is "five hundred forty-one million, three hundred four thousand, two hundred twenty-one".