41581801 has 8 divisors (see below), whose sum is σ = 42126408. Its totient is φ = 41040000.

The previous prime is 41581783. The next prime is 41581807. The reversal of 41581801 is 10818514.

It can be written as a sum of positive squares in 4 ways, for example, as 2893401 + 38688400 = 1701^2 + 6220^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 41581801 - 2⁹ = 41581289 is a prime.

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 41581801.

It is not an unprimeable number, because it can be changed into a prime (41581807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54261 + ... + 55021.

It is an arithmetic number, because the mean of its divisors is an integer number (5265801).

Almost surely, 2^41581801 is an apocalyptic number.

It is an amenable number.

41581801 is a deficient number, since it is larger than the sum of its proper divisors (544607).

41581801 is a wasteful number, since it uses less digits than its factorization.

41581801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 41581801 is about 6448.3952267211. The cubic root of 41581801 is about 346.4451069283.

The spelling of 41581801 in words is "forty-one million, five hundred eighty-one thousand, eight hundred one".