41221249 has 2 divisors, whose sum is σ = 41221250. Its totient is φ = 41221248.

The previous prime is 41221247. The next prime is 41221259. The reversal of 41221249 is 94212214.

41221249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28547649 + 12673600 = 5343^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 41221249 - 2¹ = 41221247 is a prime.

Together with 41221247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41221247) 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, 20610624 + 20610625.

It is an arithmetic number, because the mean of its divisors is an integer number (20610625).

Almost surely, 2^41221249 is an apocalyptic number.

It is an amenable number.

41221249 is a deficient number, since it is larger than the sum of its proper divisors (1).

41221249 is an equidigital number, since it uses as much as digits as its factorization.

41221249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 41221249 is about 6420.3776368684. The cubic root of 41221249 is about 345.4408674577.

The spelling of 41221249 in words is "forty-one million, two hundred twenty-one thousand, two hundred forty-nine".