541145021 has 8 divisors (see below), whose sum is σ = 559071744. Its totient is φ = 523247760.

The previous prime is 541144993. The next prime is 541145027. The reversal of 541145021 is 120541145.

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

It is not a de Polignac number, because 541145021 - 2¹⁸ = 540882877 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 (541145027) 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, 33695 + ... + 47091.

It is an arithmetic number, because the mean of its divisors is an integer number (69883968).

Almost surely, 2^541145021 is an apocalyptic number.

It is an amenable number.

541145021 is a deficient number, since it is larger than the sum of its proper divisors (17926723).

541145021 is a wasteful number, since it uses less digits than its factorization.

541145021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14731.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 541145021 is about 23262.5239602241. The cubic root of 541145021 is about 814.9004462688.

Adding to 541145021 its reverse (120541145), we get a palindrome (661686166).

The spelling of 541145021 in words is "five hundred forty-one million, one hundred forty-five thousand, twenty-one".