41330521 has 2 divisors, whose sum is σ = 41330522. Its totient is φ = 41330520.

The previous prime is 41330477. The next prime is 41330543. The reversal of 41330521 is 12503314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36132121 + 5198400 = 6011^2 + 2280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41330521 is a prime.

It is a super-2 number, since 2×41330521² = 3416423932262882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41330561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20665260 + 20665261.

It is an arithmetic number, because the mean of its divisors is an integer number (20665261).

Almost surely, 2^41330521 is an apocalyptic number.

It is an amenable number.

41330521 is a deficient number, since it is larger than the sum of its proper divisors (1).

41330521 is an equidigital number, since it uses as much as digits as its factorization.

41330521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 41330521 is about 6428.8817845719. The cubic root of 41330521 is about 345.7458372676.

Adding to 41330521 its reverse (12503314), we get a palindrome (53833835).

The spelling of 41330521 in words is "forty-one million, three hundred thirty thousand, five hundred twenty-one".