41495581 has 4 divisors (see below), whose sum is σ = 41512572. Its totient is φ = 41478592.

The previous prime is 41495569. The next prime is 41495591. The reversal of 41495581 is 18559414.

41495581 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6200100 + 35295481 = 2490^2 + 5941^2 .

It is a cyclic number.

It is not a de Polignac number, because 41495581 - 2¹¹ = 41493533 is a prime.

It is a super-2 number, since 2×41495581² = 3443766485055122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41495581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41495561) 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, 4060 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (10378143).

Almost surely, 2^41495581 is an apocalyptic number.

It is an amenable number.

41495581 is a deficient number, since it is larger than the sum of its proper divisors (16991).

41495581 is a wasteful number, since it uses less digits than its factorization.

41495581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16990.

The product of its digits is 28800, while the sum is 37.

The square root of 41495581 is about 6441.7063733144. The cubic root of 41495581 is about 346.2054895497.

It can be divided in two parts, 4149 and 5581, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 41495581 in words is "forty-one million, four hundred ninety-five thousand, five hundred eighty-one".