41273521 has 2 divisors, whose sum is σ = 41273522. Its totient is φ = 41273520.

The previous prime is 41273513. The next prime is 41273539. The reversal of 41273521 is 12537214.

It is a happy number.

41273521 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., 41216400 + 57121 = 6420^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 41273521 - 2³ = 41273513 is a prime.

It is not a weakly prime, because it can be changed into another prime (41273581) 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, 20636760 + 20636761.

It is an arithmetic number, because the mean of its divisors is an integer number (20636761).

Almost surely, 2^41273521 is an apocalyptic number.

It is an amenable number.

41273521 is a deficient number, since it is larger than the sum of its proper divisors (1).

41273521 is an equidigital number, since it uses as much as digits as its factorization.

41273521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 41273521 is about 6424.4471357464. The cubic root of 41273521 is about 345.5868217756.

The spelling of 41273521 in words is "forty-one million, two hundred seventy-three thousand, five hundred twenty-one".