41415561 has 12 divisors (see below), whose sum is σ = 65261040. Its totient is φ = 25100280.

The previous prime is 41415551. The next prime is 41415599. The reversal of 41415561 is 16551414.

It is not a de Polignac number, because 41415561 - 2¹⁵ = 41382793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41415551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209071 + ... + 209268.

It is an arithmetic number, because the mean of its divisors is an integer number (5438420).

Almost surely, 2^41415561 is an apocalyptic number.

It is an amenable number.

41415561 is a deficient number, since it is larger than the sum of its proper divisors (23845479).

41415561 is a wasteful number, since it uses less digits than its factorization.

41415561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418356 (or 418353 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 41415561 is about 6435.4922888618. The cubic root of 41415561 is about 345.9828056766.

Adding to 41415561 its reverse (16551414), we get a palindrome (57966975).

The spelling of 41415561 in words is "forty-one million, four hundred fifteen thousand, five hundred sixty-one".