541103521 has 12 divisors (see below), whose sum is σ = 638073732. Its totient is φ = 457446528.

The previous prime is 541103513. The next prime is 541103533. The reversal of 541103521 is 125301145.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 447787921 + 93315600 = 21161^2 + 9660^2 .

It is not a de Polignac number, because 541103521 - 2³ = 541103513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541103492 and 541103501.

It is not an unprimeable number, because it can be changed into a prime (541103921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72060 + ... + 79213.

It is an arithmetic number, because the mean of its divisors is an integer number (53172811).

Almost surely, 2^541103521 is an apocalyptic number.

It is an amenable number.

541103521 is a deficient number, since it is larger than the sum of its proper divisors (96970211).

541103521 is a wasteful number, since it uses less digits than its factorization.

541103521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151360 (or 151353 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 541103521 is about 23261.6319504888. The cubic root of 541103521 is about 814.8796143712.

Adding to 541103521 its reverse (125301145), we get a palindrome (666404666).

The spelling of 541103521 in words is "five hundred forty-one million, one hundred three thousand, five hundred twenty-one".