41181601 has 4 divisors (see below), whose sum is σ = 41194900. Its totient is φ = 41168304.

The previous prime is 41181593. The next prime is 41181611. The reversal of 41181601 is 10618114.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 39050001 + 2131600 = 6249^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 41181601 - 2³ = 41181593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41181611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (10298725).

Almost surely, 2^41181601 is an apocalyptic number.

It is an amenable number.

41181601 is a deficient number, since it is larger than the sum of its proper divisors (13299).

41181601 is an equidigital number, since it uses as much as digits as its factorization.

41181601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 41181601 is about 6417.2892252103. The cubic root of 41181601 is about 345.3300796698.

Adding to 41181601 its reverse (10618114), we get a palindrome (51799715).

The spelling of 41181601 in words is "forty-one million, one hundred eighty-one thousand, six hundred one".