41357021 has 2 divisors, whose sum is σ = 41357022. Its totient is φ = 41357020.

The previous prime is 41357011. The next prime is 41357027. The reversal of 41357021 is 12075314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 1792921 = 6290^2 + 1339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41357021 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 (41357027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20678510 + 20678511.

It is an arithmetic number, because the mean of its divisors is an integer number (20678511).

Almost surely, 2^41357021 is an apocalyptic number.

It is an amenable number.

41357021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41357021 is an equidigital number, since it uses as much as digits as its factorization.

41357021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 41357021 is about 6430.9424659221. The cubic root of 41357021 is about 345.8197157393.

The spelling of 41357021 in words is "forty-one million, three hundred fifty-seven thousand, twenty-one".