541965221 has 8 divisors (see below), whose sum is σ = 620478144. Its totient is φ = 463724640.

The previous prime is 541965217. The next prime is 541965247. The reversal of 541965221 is 122569145.

It is a happy number.

541965221 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 541965221 - 2² = 541965217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541965251) 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, 63800 + ... + 71793.

It is an arithmetic number, because the mean of its divisors is an integer number (77559768).

Almost surely, 2^541965221 is an apocalyptic number.

It is an amenable number.

541965221 is a deficient number, since it is larger than the sum of its proper divisors (78512923).

541965221 is a wasteful number, since it uses less digits than its factorization.

541965221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136171.

The product of its digits is 21600, while the sum is 35.

The square root of 541965221 is about 23280.1464986799. The cubic root of 541965221 is about 815.3119465267.

The spelling of 541965221 in words is "five hundred forty-one million, nine hundred sixty-five thousand, two hundred twenty-one".