41189821 has 2 divisors, whose sum is σ = 41189822. Its totient is φ = 41189820.

The previous prime is 41189809. The next prime is 41189833. The reversal of 41189821 is 12898114.

41189821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (41189809) and next prime (41189833).

It can be written as a sum of positive squares in only one way, i.e., 38613796 + 2576025 = 6214^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 41189821 - 2⁷ = 41189693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41189221) 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 as a sum of consecutive naturals, namely, 20594910 + 20594911.

It is an arithmetic number, because the mean of its divisors is an integer number (20594911).

Almost surely, 2^41189821 is an apocalyptic number.

It is an amenable number.

41189821 is a deficient number, since it is larger than the sum of its proper divisors (1).

41189821 is an equidigital number, since it uses as much as digits as its factorization.

41189821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 34.

The square root of 41189821 is about 6417.9296505961. The cubic root of 41189821 is about 345.3530545287.

The spelling of 41189821 in words is "forty-one million, one hundred eighty-nine thousand, eight hundred twenty-one".