42683605 has 4 divisors (see below), whose sum is σ = 51220332. Its totient is φ = 34146880.

The previous prime is 42683587. The next prime is 42683639. The reversal of 42683605 is 50638624.

It is a happy number.

42683605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4848804 + 37834801 = 2202^2 + 6151^2 .

It is not a de Polignac number, because 42683605 - 2⁵ = 42683573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268356 + ... + 4268365.

It is an arithmetic number, because the mean of its divisors is an integer number (12805083).

Almost surely, 2^42683605 is an apocalyptic number.

It is an amenable number.

42683605 is a deficient number, since it is larger than the sum of its proper divisors (8536727).

42683605 is an equidigital number, since it uses as much as digits as its factorization.

42683605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536726.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 42683605 is about 6533.2690898202. The cubic root of 42683605 is about 349.4784203928.

The spelling of 42683605 in words is "forty-two million, six hundred eighty-three thousand, six hundred five".