40541543 has 4 divisors (see below), whose sum is σ = 46333200. Its totient is φ = 34749888.

The previous prime is 40541539. The next prime is 40541581. The reversal of 40541543 is 34514504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40541543 - 2² = 40541539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40541503) 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, 2895818 + ... + 2895831.

It is an arithmetic number, because the mean of its divisors is an integer number (11583300).

Almost surely, 2^40541543 is an apocalyptic number.

40541543 is a deficient number, since it is larger than the sum of its proper divisors (5791657).

40541543 is an equidigital number, since it uses as much as digits as its factorization.

40541543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791656.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40541543 is about 6367.2241204468. The cubic root of 40541543 is about 343.5316520578.

The spelling of 40541543 in words is "forty million, five hundred forty-one thousand, five hundred forty-three".