41356821 has 16 divisors (see below), whose sum is σ = 62097408. Its totient is φ = 24255600.

The previous prime is 41356793. The next prime is 41356837. The reversal of 41356821 is 12865314.

41356821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41356821 - 2⁵ = 41356789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41856821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19191 + ... + 21236.

It is an arithmetic number, because the mean of its divisors is an integer number (3881088).

Almost surely, 2^41356821 is an apocalyptic number.

It is an amenable number.

41356821 is a deficient number, since it is larger than the sum of its proper divisors (20740587).

41356821 is a wasteful number, since it uses less digits than its factorization.

41356821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40472.

The product of its digits is 5760, while the sum is 30.

The square root of 41356821 is about 6430.9269160829. The cubic root of 41356821 is about 345.8191582842.

The spelling of 41356821 in words is "forty-one million, three hundred fifty-six thousand, eight hundred twenty-one".