41221361 has 2 divisors, whose sum is σ = 41221362. Its totient is φ = 41221360.

The previous prime is 41221357. The next prime is 41221381. The reversal of 41221361 is 16312214.

It is an a-pointer prime, because the next prime (41221381) can be obtained adding 41221361 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40704400 + 516961 = 6380^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 41221361 - 2² = 41221357 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41221381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610680 + 20610681.

It is an arithmetic number, because the mean of its divisors is an integer number (20610681).

Almost surely, 2^41221361 is an apocalyptic number.

It is an amenable number.

41221361 is a deficient number, since it is larger than the sum of its proper divisors (1).

41221361 is an equidigital number, since it uses as much as digits as its factorization.

41221361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 41221361 is about 6420.3863590909. The cubic root of 41221361 is about 345.4411803169.

Adding to 41221361 its reverse (16312214), we get a palindrome (57533575).

The spelling of 41221361 in words is "forty-one million, two hundred twenty-one thousand, three hundred sixty-one".