541443541 has 4 divisors (see below), whose sum is σ = 542919232. Its totient is φ = 539967852.

The previous prime is 541443521. The next prime is 541443563. The reversal of 541443541 is 145344145.

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.

It is a cyclic number.

It is not a de Polignac number, because 541443541 - 2⁵ = 541443509 is a prime.

It is a super-2 number, since 2×541443541² = 586322216181237362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541443521) 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 3 ways as a sum of consecutive naturals, for example, 737295 + ... + 738028.

It is an arithmetic number, because the mean of its divisors is an integer number (135729808).

Almost surely, 2^541443541 is an apocalyptic number.

It is an amenable number.

541443541 is a deficient number, since it is larger than the sum of its proper divisors (1475691).

541443541 is a wasteful number, since it uses less digits than its factorization.

541443541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475690.

The product of its digits is 19200, while the sum is 31.

The square root of 541443541 is about 23268.9394042788. The cubic root of 541443541 is about 815.0502640032.

Adding to 541443541 its reverse (145344145), we get a palindrome (686787686).

The spelling of 541443541 in words is "five hundred forty-one million, four hundred forty-three thousand, five hundred forty-one".