41142661 has 4 divisors (see below), whose sum is σ = 47020192. Its totient is φ = 35265132.

The previous prime is 41142659. The next prime is 41142691. The reversal of 41142661 is 16624114.

41142661 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 41142661 - 2¹ = 41142659 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 (41142691) 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, 2938755 + ... + 2938768.

It is an arithmetic number, because the mean of its divisors is an integer number (11755048).

Almost surely, 2^41142661 is an apocalyptic number.

It is an amenable number.

41142661 is a deficient number, since it is larger than the sum of its proper divisors (5877531).

41142661 is an equidigital number, since it uses as much as digits as its factorization.

41142661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877530.

The product of its digits is 1152, while the sum is 25.

The square root of 41142661 is about 6414.2545163097. The cubic root of 41142661 is about 345.2212009991.

Adding to 41142661 its reverse (16624114), we get a palindrome (57766775).

The spelling of 41142661 in words is "forty-one million, one hundred forty-two thousand, six hundred sixty-one".