41601561 has 4 divisors (see below), whose sum is σ = 55468752. Its totient is φ = 27734372.

The previous prime is 41601559. The next prime is 41601563. The reversal of 41601561 is 16510614.

41601561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (41601559) and next prime (41601563).

It is a cyclic number.

It is not a de Polignac number, because 41601561 - 2¹ = 41601559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41601563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6933591 + ... + 6933596.

It is an arithmetic number, because the mean of its divisors is an integer number (13867188).

Almost surely, 2^41601561 is an apocalyptic number.

It is an amenable number.

41601561 is a deficient number, since it is larger than the sum of its proper divisors (13867191).

41601561 is a wasteful number, since it uses less digits than its factorization.

41601561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13867190.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 41601561 is about 6449.9272088916. The cubic root of 41601561 is about 346.4999760541.

The spelling of 41601561 in words is "forty-one million, six hundred one thousand, five hundred sixty-one".