541017021 has 8 divisors (see below), whose sum is σ = 725094400. Its totient is φ = 358808832.

The previous prime is 541016981. The next prime is 541017023. The reversal of 541017021 is 120710145.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 541017021 - 2¹⁴ = 541000637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541017023) 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, 466621 + ... + 467778.

It is an arithmetic number, because the mean of its divisors is an integer number (90636800).

Almost surely, 2^541017021 is an apocalyptic number.

It is an amenable number.

541017021 is a deficient number, since it is larger than the sum of its proper divisors (184077379).

541017021 is a wasteful number, since it uses less digits than its factorization.

541017021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934595.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 541017021 is about 23259.7725913217. The cubic root of 541017021 is about 814.8361902448.

Adding to 541017021 its reverse (120710145), we get a palindrome (661727166).

The spelling of 541017021 in words is "five hundred forty-one million, seventeen thousand, twenty-one".