8506345 has 4 divisors (see below), whose sum is σ = 10207620. Its totient is φ = 6805072.

The previous prime is 8506339. The next prime is 8506349. The reversal of 8506345 is 5436058.

8506345 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 3736489 + 4769856 = 1933^2 + 2184^2 .

It is a cyclic number.

It is not a de Polignac number, because 8506345 - 2⁵ = 8506313 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

8506345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8506349) 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, 850630 + ... + 850639.

It is an arithmetic number, because the mean of its divisors is an integer number (2551905).

Almost surely, 2^8506345 is an apocalyptic number.

It is an amenable number.

8506345 is a deficient number, since it is larger than the sum of its proper divisors (1701275).

8506345 is a wasteful number, since it uses less digits than its factorization.

8506345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701274.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 8506345 is about 2916.5639029516. The cubic root of 8506345 is about 204.1335230571.

The spelling of 8506345 in words is "eight million, five hundred six thousand, three hundred forty-five".