41505021 has 8 divisors (see below), whose sum is σ = 61488960. Its totient is φ = 27669996.

The previous prime is 41504999. The next prime is 41505031. The reversal of 41505021 is 12050514.

It is not a de Polignac number, because 41505021 - 2⁷ = 41504893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41504985 and 41505003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41505031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768585 + ... + 768638.

It is an arithmetic number, because the mean of its divisors is an integer number (7686120).

Almost surely, 2^41505021 is an apocalyptic number.

It is an amenable number.

41505021 is a deficient number, since it is larger than the sum of its proper divisors (19983939).

41505021 is a wasteful number, since it uses less digits than its factorization.

41505021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537232 (or 1537226 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 41505021 is about 6442.4390567548. The cubic root of 41505021 is about 346.2317407949.

Adding to 41505021 its reverse (12050514), we get a palindrome (53555535).

The spelling of 41505021 in words is "forty-one million, five hundred five thousand, twenty-one".