41561 has 8 divisors (see below), whose sum is σ = 47040. Its totient is φ = 36432.

The previous prime is 41549. The next prime is 41579. The reversal of 41561 is 16514.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-41561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230 + ... + 368.

It is an arithmetic number, because the mean of its divisors is an integer number (5880).

2⁴¹⁵⁶¹ is an apocalyptic number.

It is an amenable number.

41561 is a deficient number, since it is larger than the sum of its proper divisors (5479).

41561 is a wasteful number, since it uses less digits than its factorization.

41561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175.

The product of its digits is 120, while the sum is 17.

The square root of 41561 is about 203.8651515095. The cubic root of 41561 is about 34.6387328393.

The spelling of 41561 in words is "forty-one thousand, five hundred sixty-one".