42605241 has 16 divisors (see below), whose sum is σ = 66678144. Its totient is φ = 23687424.

The previous prime is 42605237. The next prime is 42605243. The reversal of 42605241 is 14250624.

It is not a de Polignac number, because 42605241 - 2² = 42605237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42605243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26640 + ... + 28193.

It is an arithmetic number, because the mean of its divisors is an integer number (4167384).

Almost surely, 2^42605241 is an apocalyptic number.

It is an amenable number.

42605241 is a deficient number, since it is larger than the sum of its proper divisors (24072903).

42605241 is a wasteful number, since it uses less digits than its factorization.

42605241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54880.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42605241 is about 6527.2690307662. The cubic root of 42605241 is about 349.2644170384.

Adding to 42605241 its reverse (14250624), we get a palindrome (56855865).

The spelling of 42605241 in words is "forty-two million, six hundred five thousand, two hundred forty-one".