41560021 has 2 divisors, whose sum is σ = 41560022. Its totient is φ = 41560020.

The previous prime is 41559989. The next prime is 41560031. The reversal of 41560021 is 12006514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32649796 + 8910225 = 5714^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 41560021 - 2⁵ = 41559989 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 (41560031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20780010 + 20780011.

It is an arithmetic number, because the mean of its divisors is an integer number (20780011).

Almost surely, 2^41560021 is an apocalyptic number.

It is an amenable number.

41560021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41560021 is an equidigital number, since it uses as much as digits as its factorization.

41560021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 41560021 is about 6446.7062132534. The cubic root of 41560021 is about 346.3846085688.

Adding to 41560021 its reverse (12006514), we get a palindrome (53566535).

The spelling of 41560021 in words is "forty-one million, five hundred sixty thousand, twenty-one".