41180021 has 2 divisors, whose sum is σ = 41180022. Its totient is φ = 41180020.

The previous prime is 41180017. The next prime is 41180057. The reversal of 41180021 is 12008114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33814225 + 7365796 = 5815^2 + 2714^2 .

It is a cyclic number.

It is not a de Polignac number, because 41180021 - 2² = 41180017 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41180221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20590010 + 20590011.

It is an arithmetic number, because the mean of its divisors is an integer number (20590011).

Almost surely, 2^41180021 is an apocalyptic number.

It is an amenable number.

41180021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41180021 is an equidigital number, since it uses as much as digits as its factorization.

41180021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 41180021 is about 6417.1661190903. The cubic root of 41180021 is about 345.3256632275.

Adding to 41180021 its reverse (12008114), we get a palindrome (53188135).

The spelling of 41180021 in words is "forty-one million, one hundred eighty thousand, twenty-one".