541442021 has 8 divisors (see below), whose sum is σ = 557322240. Its totient is φ = 525743568.

The previous prime is 541442003. The next prime is 541442029. The reversal of 541442021 is 120244145.

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 541442021 - 2²² = 537247717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541442029) 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, 39386 + ... + 51323.

It is an arithmetic number, because the mean of its divisors is an integer number (69665280).

Almost surely, 2^541442021 is an apocalyptic number.

It is an amenable number.

541442021 is a deficient number, since it is larger than the sum of its proper divisors (15880219).

541442021 is a wasteful number, since it uses less digits than its factorization.

541442021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90883.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 541442021 is about 23268.9067426899. The cubic root of 541442021 is about 815.0495013029.

Adding to 541442021 its reverse (120244145), we get a palindrome (661686166).

It can be divided in two parts, 54144 and 2021, that added together give a palindrome (56165).

The spelling of 541442021 in words is "five hundred forty-one million, four hundred forty-two thousand, twenty-one".