41297561 has 4 divisors (see below), whose sum is σ = 41511732. Its totient is φ = 41083392.

The previous prime is 41297521. The next prime is 41297569. The reversal of 41297561 is 16579214.

41297561 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 an emirpimes, since its reverse is a distinct semiprime: 16579214 = 2 ⋅8289607.

It can be written as a sum of positive squares in 2 ways, for example, as 13366336 + 27931225 = 3656^2 + 5285^2 .

It is a cyclic number.

It is not a de Polignac number, because 41297561 - 2⁶ = 41297497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41297569) 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, 106796 + ... + 107181.

It is an arithmetic number, because the mean of its divisors is an integer number (10377933).

Almost surely, 2^41297561 is an apocalyptic number.

It is an amenable number.

41297561 is a deficient number, since it is larger than the sum of its proper divisors (214171).

41297561 is a wasteful number, since it uses less digits than its factorization.

41297561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214170.

The product of its digits is 15120, while the sum is 35.

The square root of 41297561 is about 6426.3178415015. The cubic root of 41297561 is about 345.6539050978.

The spelling of 41297561 in words is "forty-one million, two hundred ninety-seven thousand, five hundred sixty-one".