8513565053 has 16 divisors (see below), whose sum is σ = 9802896384. Its totient is φ = 7242618240.

The previous prime is 8513565037. The next prime is 8513565079. The reversal of 8513565053 is 3505653158.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8513565053 - 2⁴ = 8513565037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8513565053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513565553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085201 + ... + 1093017.

It is an arithmetic number, because the mean of its divisors is an integer number (612681024).

Almost surely, 2^8513565053 is an apocalyptic number.

It is an amenable number.

8513565053 is a deficient number, since it is larger than the sum of its proper divisors (1289331331).

8513565053 is a wasteful number, since it uses less digits than its factorization.

8513565053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972.

The product of its (nonzero) digits is 270000, while the sum is 41.

The square root of 8513565053 is about 92268.9820741510. The cubic root of 8513565053 is about 2041.9126184140.

The spelling of 8513565053 in words is "eight billion, five hundred thirteen million, five hundred sixty-five thousand, fifty-three".