42093005 has 4 divisors (see below), whose sum is σ = 50511612. Its totient is φ = 33674400.

The previous prime is 42092993. The next prime is 42093011. The reversal of 42093005 is 50039024.

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 32239684 + 9853321 = 5678^2 + 3139^2 .

It is not a de Polignac number, because 42093005 - 2¹⁸ = 41830861 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4209296 + ... + 4209305.

It is an arithmetic number, because the mean of its divisors is an integer number (12627903).

Almost surely, 2^42093005 is an apocalyptic number.

It is an amenable number.

42093005 is a deficient number, since it is larger than the sum of its proper divisors (8418607).

42093005 is an equidigital number, since it uses as much as digits as its factorization.

42093005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418606.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 42093005 is about 6487.9122219709. The cubic root of 42093005 is about 347.8590529975.

The spelling of 42093005 in words is "forty-two million, ninety-three thousand, five".