41442561 has 6 divisors (see below), whose sum is σ = 59861490. Its totient is φ = 27628368.

The previous prime is 41442559. The next prime is 41442589. The reversal of 41442561 is 16524414.

It can be written as a sum of positive squares in only one way, i.e., 31708161 + 9734400 = 5631^2 + 3120^2 .

It is not a de Polignac number, because 41442561 - 2¹ = 41442559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41442521) 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 5 ways as a sum of consecutive naturals, for example, 2302356 + ... + 2302373.

It is an arithmetic number, because the mean of its divisors is an integer number (9976915).

Almost surely, 2^41442561 is an apocalyptic number.

It is an amenable number.

41442561 is a deficient number, since it is larger than the sum of its proper divisors (18418929).

41442561 is a wasteful number, since it uses less digits than its factorization.

41442561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604735 (or 4604732 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 41442561 is about 6437.5896886956. The cubic root of 41442561 is about 346.0579747375.

Adding to 41442561 its reverse (16524414), we get a palindrome (57966975).

The spelling of 41442561 in words is "forty-one million, four hundred forty-two thousand, five hundred sixty-one".