41569081 has 2 divisors, whose sum is σ = 41569082. Its totient is φ = 41569080.

The previous prime is 41569067. The next prime is 41569111. The reversal of 41569081 is 18096514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 95481 = 6440^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 41569081 - 2¹³ = 41560889 is a prime.

It is a super-2 number, since 2×41569081² = 3455976990369122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41569001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20784540 + 20784541.

It is an arithmetic number, because the mean of its divisors is an integer number (20784541).

Almost surely, 2^41569081 is an apocalyptic number.

It is an amenable number.

41569081 is a deficient number, since it is larger than the sum of its proper divisors (1).

41569081 is an equidigital number, since it uses as much as digits as its factorization.

41569081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 41569081 is about 6447.4088593791. The cubic root of 41569081 is about 346.4097771199.

It can be divided in two parts, 415 and 69081, that added together give a palindrome (69496).

The spelling of 41569081 in words is "forty-one million, five hundred sixty-nine thousand, eighty-one".