42605963 has 4 divisors (see below), whose sum is σ = 42621720. Its totient is φ = 42590208.

The previous prime is 42605957. The next prime is 42605971. The reversal of 42605963 is 36950624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42605963 - 2⁴ = 42605947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42605363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (10655430).

Almost surely, 2^42605963 is an apocalyptic number.

42605963 is a deficient number, since it is larger than the sum of its proper divisors (15757).

42605963 is a wasteful number, since it uses less digits than its factorization.

42605963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15756.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 42605963 is about 6527.3243369699. The cubic root of 42605963 is about 349.2663899372.

The spelling of 42605963 in words is "forty-two million, six hundred five thousand, nine hundred sixty-three".