8660653 has 2 divisors, whose sum is σ = 8660654. Its totient is φ = 8660652.

The previous prime is 8660623. The next prime is 8660657. The reversal of 8660653 is 3560668.

8660653 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4652649 + 4008004 = 2157^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 8660653 - 2¹³ = 8652461 is a prime.

8660653 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8660657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4330326 + 4330327.

It is an arithmetic number, because the mean of its divisors is an integer number (4330327).

Almost surely, 2^8660653 is an apocalyptic number.

It is an amenable number.

8660653 is a deficient number, since it is larger than the sum of its proper divisors (1).

8660653 is an equidigital number, since it uses as much as digits as its factorization.

8660653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 8660653 is about 2942.8987410375. The cubic root of 8660653 is about 205.3604841138.

The spelling of 8660653 in words is "eight million, six hundred sixty thousand, six hundred fifty-three".