8520545 has 32 divisors (see below), whose sum is σ = 11819520. Its totient is φ = 5840640.

The previous prime is 8520527. The next prime is 8520571. The reversal of 8520545 is 5450258.

It is not a de Polignac number, because 8520545 - 2⁶ = 8520481 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107816 + ... + 107894.

It is an arithmetic number, because the mean of its divisors is an integer number (369360).

Almost surely, 2^8520545 is an apocalyptic number.

It is an amenable number.

8520545 is a deficient number, since it is larger than the sum of its proper divisors (3298975).

8520545 is a wasteful number, since it uses less digits than its factorization.

8520545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 8520545 is about 2918.9972593341. The cubic root of 8520545 is about 204.2470494718.

The spelling of 8520545 in words is "eight million, five hundred twenty thousand, five hundred forty-five".