41004561 has 32 divisors (see below), whose sum is σ = 65076480. Its totient is φ = 22708224.

The previous prime is 41004553. The next prime is 41004577. The reversal of 41004561 is 16540014.

It is not a de Polignac number, because 41004561 - 2³ = 41004553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41004541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13905 + ... + 16593.

It is an arithmetic number, because the mean of its divisors is an integer number (2033640).

Almost surely, 2^41004561 is an apocalyptic number.

It is an amenable number.

41004561 is a deficient number, since it is larger than the sum of its proper divisors (24071919).

41004561 is a wasteful number, since it uses less digits than its factorization.

41004561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 41004561 is about 6403.4803817924. The cubic root of 41004561 is about 344.8345100022.

Adding to 41004561 its reverse (16540014), we get a palindrome (57544575).

The spelling of 41004561 in words is "forty-one million, four thousand, five hundred sixty-one".