41215081 has 2 divisors, whose sum is σ = 41215082. Its totient is φ = 41215080.

The previous prime is 41215051. The next prime is 41215091. The reversal of 41215081 is 18051214.

41215081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39576681 + 1638400 = 6291^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 41215081 - 2²¹ = 39117929 is a prime.

It is a super-2 number, since 2×41215081² = 3397365803673122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41215051) 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, 20607540 + 20607541.

It is an arithmetic number, because the mean of its divisors is an integer number (20607541).

Almost surely, 2^41215081 is an apocalyptic number.

It is an amenable number.

41215081 is a deficient number, since it is larger than the sum of its proper divisors (1).

41215081 is an equidigital number, since it uses as much as digits as its factorization.

41215081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 41215081 is about 6419.8972733214. The cubic root of 41215081 is about 345.4236369790.

Adding to 41215081 its reverse (18051214), we get a palindrome (59266295).

The spelling of 41215081 in words is "forty-one million, two hundred fifteen thousand, eighty-one".