41005641 has 4 divisors (see below), whose sum is σ = 54674192. Its totient is φ = 27337092.

The previous prime is 41005577. The next prime is 41005651. The reversal of 41005641 is 14650014.

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 not a de Polignac number, because 41005641 - 2⁶ = 41005577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41005651) 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, 6834271 + ... + 6834276.

It is an arithmetic number, because the mean of its divisors is an integer number (13668548).

Almost surely, 2^41005641 is an apocalyptic number.

It is an amenable number.

41005641 is a deficient number, since it is larger than the sum of its proper divisors (13668551).

41005641 is a wasteful number, since it uses less digits than its factorization.

41005641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668550.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 41005641 is about 6403.5647103781. The cubic root of 41005641 is about 344.8375374541.

Adding to 41005641 its reverse (14650014), we get a palindrome (55655655).

The spelling of 41005641 in words is "forty-one million, five thousand, six hundred forty-one".