41033561 has 4 divisors (see below), whose sum is σ = 41217792. Its totient is φ = 40849332.

The previous prime is 41033543. The next prime is 41033569. The reversal of 41033561 is 16533014.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41033561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41033569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91781 + ... + 92226.

It is an arithmetic number, because the mean of its divisors is an integer number (10304448).

Almost surely, 2^41033561 is an apocalyptic number.

It is an amenable number.

41033561 is a deficient number, since it is larger than the sum of its proper divisors (184231).

41033561 is a wasteful number, since it uses less digits than its factorization.

41033561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184230.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 41033561 is about 6405.7443751683. The cubic root of 41033561 is about 344.9157842472.

Adding to 41033561 its reverse (16533014), we get a palindrome (57566575).

The spelling of 41033561 in words is "forty-one million, thirty-three thousand, five hundred sixty-one".