42341661 has 12 divisors (see below), whose sum is σ = 61848540. Its totient is φ = 27910080.

The previous prime is 42341659. The next prime is 42341669. The reversal of 42341661 is 16614324.

It can be written as a sum of positive squares in 2 ways, for example, as 17690436 + 24651225 = 4206^2 + 4965^2 .

It is not a de Polignac number, because 42341661 - 2¹ = 42341659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42341669) 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 11 ways as a sum of consecutive naturals, for example, 25630 + ... + 27231.

It is an arithmetic number, because the mean of its divisors is an integer number (5154045).

Almost surely, 2^42341661 is an apocalyptic number.

It is an amenable number.

42341661 is a deficient number, since it is larger than the sum of its proper divisors (19506879).

42341661 is a wasteful number, since it uses less digits than its factorization.

42341661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52956 (or 52953 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42341661 is about 6507.0470261095. The cubic root of 42341661 is about 348.5426778718.

Adding to 42341661 its reverse (16614324), we get a palindrome (58955985).

The spelling of 42341661 in words is "forty-two million, three hundred forty-one thousand, six hundred sixty-one".