8563485 has 48 divisors (see below), whose sum is σ = 16284672. Its totient is φ = 3830400.

The previous prime is 8563481. The next prime is 8563501. The reversal of 8563485 is 5843658.

It is a happy number.

It is not a de Polignac number, because 8563485 - 2² = 8563481 is a prime.

8563485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8563481) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 44740 + ... + 44930.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 2^8563485 is an apocalyptic number.

It is an amenable number.

8563485 is a deficient number, since it is larger than the sum of its proper divisors (7721187).

8563485 is a wasteful number, since it uses less digits than its factorization.

8563485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 267 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 8563485 is about 2926.3432812984. The cubic root of 8563485 is about 204.5895814113.

The spelling of 8563485 in words is "eight million, five hundred sixty-three thousand, four hundred eighty-five".