8505506 has 4 divisors (see below), whose sum is σ = 12758262. Its totient is φ = 4252752.

The previous prime is 8505487. The next prime is 8505509. The reversal of 8505506 is 6055058.

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

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 8281 = 2915^2 + 91^2 .

It is not an unprimeable number, because it can be changed into a prime (8505509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126375 + ... + 2126378.

Almost surely, 2^8505506 is an apocalyptic number.

8505506 is a deficient number, since it is larger than the sum of its proper divisors (4252756).

8505506 is a wasteful number, since it uses less digits than its factorization.

8505506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252755.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 8505506 is about 2916.4200657656. The cubic root of 8505506 is about 204.1268114531.

The spelling of 8505506 in words is "eight million, five hundred five thousand, five hundred six".