41285021 has 2 divisors, whose sum is σ = 41285022. Its totient is φ = 41285020.

The previous prime is 41285003. The next prime is 41285051. The reversal of 41285021 is 12058214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36132121 + 5152900 = 6011^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 41285021 - 2¹⁰ = 41283997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41285051) 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, 20642510 + 20642511.

It is an arithmetic number, because the mean of its divisors is an integer number (20642511).

Almost surely, 2^41285021 is an apocalyptic number.

It is an amenable number.

41285021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41285021 is an equidigital number, since it uses as much as digits as its factorization.

41285021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 41285021 is about 6425.3420920602. The cubic root of 41285021 is about 345.6189156322.

The spelling of 41285021 in words is "forty-one million, two hundred eighty-five thousand, twenty-one".