541521041 has 4 divisors (see below), whose sum is σ = 541607232. Its totient is φ = 541434852.

The previous prime is 541521037. The next prime is 541521053. The reversal of 541521041 is 140125145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140125145 = 5 ⋅28025029.

It is a cyclic number.

It is not a de Polignac number, because 541521041 - 2² = 541521037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541520998 and 541521016.

It is not an unprimeable number, because it can be changed into a prime (541521241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32861 + ... + 46506.

It is an arithmetic number, because the mean of its divisors is an integer number (135401808).

Almost surely, 2^541521041 is an apocalyptic number.

It is an amenable number.

541521041 is a deficient number, since it is larger than the sum of its proper divisors (86191).

541521041 is an equidigital number, since it uses as much as digits as its factorization.

541521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86190.

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

The square root of 541521041 is about 23270.6046548000. The cubic root of 541521041 is about 815.0891497947.

Adding to 541521041 its reverse (140125145), we get a palindrome (681646186).

The spelling of 541521041 in words is "five hundred forty-one million, five hundred twenty-one thousand, forty-one".