42834005 has 4 divisors (see below), whose sum is σ = 51400812. Its totient is φ = 34267200.

The previous prime is 42833953. The next prime is 42834007. The reversal of 42834005 is 50043824.

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 31798321 + 11035684 = 5639^2 + 3322^2 .

It is not a de Polignac number, because 42834005 - 2¹⁰ = 42832981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42834007) 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, 4283396 + ... + 4283405.

It is an arithmetic number, because the mean of its divisors is an integer number (12850203).

Almost surely, 2^42834005 is an apocalyptic number.

It is an amenable number.

42834005 is a deficient number, since it is larger than the sum of its proper divisors (8566807).

42834005 is an equidigital number, since it uses as much as digits as its factorization.

42834005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566806.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42834005 is about 6544.7692854676. The cubic root of 42834005 is about 349.8884134075. Note that the first 3 decimals are identical.

Adding to 42834005 its reverse (50043824), we get a palindrome (92877829).

The spelling of 42834005 in words is "forty-two million, eight hundred thirty-four thousand, five".