42605611 has 16 divisors (see below), whose sum is σ = 46101600. Its totient is φ = 39287808.

The previous prime is 42605603. The next prime is 42605623. The reversal of 42605611 is 11650624.

It is not a de Polignac number, because 42605611 - 2³ = 42605603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42605671) 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 15 ways as a sum of consecutive naturals, for example, 62971 + ... + 63643.

It is an arithmetic number, because the mean of its divisors is an integer number (2881350).

Almost surely, 2^42605611 is an apocalyptic number.

42605611 is a deficient number, since it is larger than the sum of its proper divisors (3495989).

42605611 is a wasteful number, since it uses less digits than its factorization.

42605611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 42605611 is about 6527.2973733391. The cubic root of 42605611 is about 349.2654280835.

The spelling of 42605611 in words is "forty-two million, six hundred five thousand, six hundred eleven".