41548021 has 2 divisors, whose sum is σ = 41548022. Its totient is φ = 41548020.

The previous prime is 41547997. The next prime is 41548027. The reversal of 41548021 is 12084514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39627025 + 1920996 = 6295^2 + 1386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41548021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41548027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20774010 + 20774011.

It is an arithmetic number, because the mean of its divisors is an integer number (20774011).

Almost surely, 2^41548021 is an apocalyptic number.

It is an amenable number.

41548021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41548021 is an equidigital number, since it uses as much as digits as its factorization.

41548021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 41548021 is about 6445.7754382231. The cubic root of 41548021 is about 346.3512671080.

The spelling of 41548021 in words is "forty-one million, five hundred forty-eight thousand, twenty-one".