8513560 has 48 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 3094080.

The previous prime is 8513551. The next prime is 8513563. The reversal of 8513560 is 653158.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3961 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (438900).

Almost surely, 2^8513560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8513560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10533600).

8513560 is an abundant number, since it is smaller than the sum of its proper divisors (12553640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8513560 is a wasteful number, since it uses less digits than its factorization.

8513560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 8513560 is about 2917.8005415038. The cubic root of 8513560 is about 204.1912214440.

The spelling of 8513560 in words is "eight million, five hundred thirteen thousand, five hundred sixty".