8563000253 has 2 divisors, whose sum is σ = 8563000254. Its totient is φ = 8563000252.

The previous prime is 8563000231. The next prime is 8563000309. The reversal of 8563000253 is 3520003658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8560320484 + 2679769 = 92522^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 8563000253 - 2⁶ = 8563000189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8563000753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4281500126 + 4281500127.

It is an arithmetic number, because the mean of its divisors is an integer number (4281500127).

Almost surely, 2^8563000253 is an apocalyptic number.

It is an amenable number.

8563000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8563000253 is an equidigital number, since it uses as much as digits as its factorization.

8563000253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 8563000253 is about 92536.4806603320. The cubic root of 8563000253 is about 2045.8572098699.

The spelling of 8563000253 in words is "eight billion, five hundred sixty-three million, two hundred fifty-three", and thus it is an aban number.