41506261 has 4 divisors (see below), whose sum is σ = 42289452. Its totient is φ = 40723072.

The previous prime is 41506249. The next prime is 41506273. The reversal of 41506261 is 16260514.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (41506249) and next prime (41506273).

It can be written as a sum of positive squares in 2 ways, for example, as 37283236 + 4223025 = 6106^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 41506261 - 2¹⁵ = 41473493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41504261) 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, 391516 + ... + 391621.

It is an arithmetic number, because the mean of its divisors is an integer number (10572363).

Almost surely, 2^41506261 is an apocalyptic number.

It is an amenable number.

41506261 is a deficient number, since it is larger than the sum of its proper divisors (783191).

41506261 is an equidigital number, since it uses as much as digits as its factorization.

41506261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783190.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 41506261 is about 6442.5352928797. The cubic root of 41506261 is about 346.2351887559.

Adding to 41506261 its reverse (16260514), we get a palindrome (57766775).

The spelling of 41506261 in words is "forty-one million, five hundred six thousand, two hundred sixty-one".