8042605 has 8 divisors (see below), whose sum is σ = 10159200. Its totient is φ = 6095376.

The previous prime is 8042603. The next prime is 8042611. The reversal of 8042605 is 5062408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8042605 - 2¹ = 8042603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8042605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42235 + ... + 42424.

It is an arithmetic number, because the mean of its divisors is an integer number (1269900).

Almost surely, 2^8042605 is an apocalyptic number.

It is an amenable number.

8042605 is a deficient number, since it is larger than the sum of its proper divisors (2116595).

8042605 is a wasteful number, since it uses less digits than its factorization.

8042605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84683.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 8042605 is about 2835.9486948815. The cubic root of 8042605 is about 200.3544132519.

The spelling of 8042605 in words is "eight million, forty-two thousand, six hundred five".