41105921 has 2 divisors, whose sum is σ = 41105922. Its totient is φ = 41105920.

The previous prime is 41105917. The next prime is 41105929. The reversal of 41105921 is 12950114.

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., 33466225 + 7639696 = 5785^2 + 2764^2 .

It is a cyclic number.

It is not a de Polignac number, because 41105921 - 2² = 41105917 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41105929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20552960 + 20552961.

It is an arithmetic number, because the mean of its divisors is an integer number (20552961).

Almost surely, 2^41105921 is an apocalyptic number.

It is an amenable number.

41105921 is a deficient number, since it is larger than the sum of its proper divisors (1).

41105921 is an equidigital number, since it uses as much as digits as its factorization.

41105921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 41105921 is about 6411.3899429063. The cubic root of 41105921 is about 345.1184106603.

The spelling of 41105921 in words is "forty-one million, one hundred five thousand, nine hundred twenty-one".