41216505 has 16 divisors (see below), whose sum is σ = 71941824. Its totient is φ = 19983680.

The previous prime is 41216503. The next prime is 41216531. The reversal of 41216505 is 50561214.

It is not a de Polignac number, because 41216505 - 2¹ = 41216503 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (41216503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124734 + ... + 125063.

It is an arithmetic number, because the mean of its divisors is an integer number (4496364).

Almost surely, 2^41216505 is an apocalyptic number.

It is an amenable number.

41216505 is a deficient number, since it is larger than the sum of its proper divisors (30725319).

41216505 is a wasteful number, since it uses less digits than its factorization.

41216505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249816.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 41216505 is about 6420.0081775649. The cubic root of 41216505 is about 345.4276151151.

Adding to 41216505 its reverse (50561214), we get a palindrome (91777719).

The spelling of 41216505 in words is "forty-one million, two hundred sixteen thousand, five hundred five".