42605535 has 16 divisors (see below), whose sum is σ = 77907456. Its totient is φ = 19476768.

The previous prime is 42605533. The next prime is 42605551. The reversal of 42605535 is 53550624.

It is not a de Polignac number, because 42605535 - 2¹ = 42605533 is a prime.

It is a super-2 number, since 2×42605535² = 3630463225272450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42605531) 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, 202779 + ... + 202988.

It is an arithmetic number, because the mean of its divisors is an integer number (4869216).

Almost surely, 2^42605535 is an apocalyptic number.

42605535 is a deficient number, since it is larger than the sum of its proper divisors (35301921).

42605535 is a wasteful number, since it uses less digits than its factorization.

42605535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405782.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 42605535 is about 6527.2915516315. The cubic root of 42605535 is about 349.2652204098.

The spelling of 42605535 in words is "forty-two million, six hundred five thousand, five hundred thirty-five".