41220543 has 16 divisors (see below), whose sum is σ = 67644416. Its totient is φ = 21742560.

The previous prime is 41220523. The next prime is 41220547. The reversal of 41220543 is 34502214.

It is not a de Polignac number, because 41220543 - 2⁵ = 41220511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41220547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75223 + ... + 75768.

It is an arithmetic number, because the mean of its divisors is an integer number (4227776).

Almost surely, 2^41220543 is an apocalyptic number.

41220543 is a deficient number, since it is larger than the sum of its proper divisors (26423873).

41220543 is a wasteful number, since it uses less digits than its factorization.

41220543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151014.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 41220543 is about 6420.3226554434. The cubic root of 41220543 is about 345.4388953143.

Adding to 41220543 its reverse (34502214), we get a palindrome (75722757).

The spelling of 41220543 in words is "forty-one million, two hundred twenty thousand, five hundred forty-three".