41661853 has 2 divisors, whose sum is σ = 41661854. Its totient is φ = 41661852.

The previous prime is 41661839. The next prime is 41661931. The reversal of 41661853 is 35816614.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 19731364 = 4683^2 + 4442^2 .

It is a cyclic number.

It is not a de Polignac number, because 41661853 - 2⁵ = 41661821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41661833) 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, 20830926 + 20830927.

It is an arithmetic number, because the mean of its divisors is an integer number (20830927).

Almost surely, 2^41661853 is an apocalyptic number.

It is an amenable number.

41661853 is a deficient number, since it is larger than the sum of its proper divisors (1).

41661853 is an equidigital number, since it uses as much as digits as its factorization.

41661853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 41661853 is about 6454.5993678926. The cubic root of 41661853 is about 346.6672862210.

The spelling of 41661853 in words is "forty-one million, six hundred sixty-one thousand, eight hundred fifty-three".