541321021 has 8 divisors (see below), whose sum is σ = 573825600. Its totient is φ = 508890048.

The previous prime is 541321019. The next prime is 541321037. The reversal of 541321021 is 120123145.

541321021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 541321021 - 2¹ = 541321019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 541321021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541321091) 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, 2871 + ... + 33028.

It is an arithmetic number, because the mean of its divisors is an integer number (71728200).

Almost surely, 2^541321021 is an apocalyptic number.

It is an amenable number.

541321021 is a deficient number, since it is larger than the sum of its proper divisors (32504579).

541321021 is a wasteful number, since it uses less digits than its factorization.

541321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36803.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 541321021 is about 23266.3065612056. The cubic root of 541321021 is about 814.9887817593.

Adding to 541321021 its reverse (120123145), we get a palindrome (661444166).

The spelling of 541321021 in words is "five hundred forty-one million, three hundred twenty-one thousand, twenty-one".