541513521 has 24 divisors (see below), whose sum is σ = 799381440. Its totient is φ = 353152800.

The previous prime is 541513519. The next prime is 541513543. The reversal of 541513521 is 125315145.

It is not a de Polignac number, because 541513521 - 2¹ = 541513519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541513501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80475 + ... + 86943.

It is an arithmetic number, because the mean of its divisors is an integer number (33307560).

Almost surely, 2^541513521 is an apocalyptic number.

It is an amenable number.

541513521 is a deficient number, since it is larger than the sum of its proper divisors (257867919).

541513521 is a wasteful number, since it uses less digits than its factorization.

541513521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677 (or 6674 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 541513521 is about 23270.4430770022. The cubic root of 541513521 is about 815.0853767811.

Adding to 541513521 its reverse (125315145), we get a palindrome (666828666).

The spelling of 541513521 in words is "five hundred forty-one million, five hundred thirteen thousand, five hundred twenty-one".