41004021 has 4 divisors (see below), whose sum is σ = 54672032. Its totient is φ = 27336012.

The previous prime is 41003993. The next prime is 41004023. The reversal of 41004021 is 12040014.

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 41004021 - 2⁹ = 41003509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41003988 and 41004006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41004023) 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, 6834001 + ... + 6834006.

It is an arithmetic number, because the mean of its divisors is an integer number (13668008).

Almost surely, 2^41004021 is an apocalyptic number.

It is an amenable number.

41004021 is a deficient number, since it is larger than the sum of its proper divisors (13668011).

41004021 is a wasteful number, since it uses less digits than its factorization.

41004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668010.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 41004021 is about 6403.4382170831. The cubic root of 41004021 is about 344.8329962564.

Adding to 41004021 its reverse (12040014), we get a palindrome (53044035).

The spelling of 41004021 in words is "forty-one million, four thousand, twenty-one".