8991253 has 2 divisors, whose sum is σ = 8991254. Its totient is φ = 8991252.

The previous prime is 8991251. The next prime is 8991289. The reversal of 8991253 is 3521998.

8991253 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8988004 + 3249 = 2998^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 8991253 - 2¹ = 8991251 is a prime.

Together with 8991251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8991251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4495626 + 4495627.

It is an arithmetic number, because the mean of its divisors is an integer number (4495627).

Almost surely, 2^8991253 is an apocalyptic number.

It is an amenable number.

8991253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8991253 is an equidigital number, since it uses as much as digits as its factorization.

8991253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 8991253 is about 2998.5418122814. The cubic root of 8991253 is about 207.9409734506.

The spelling of 8991253 in words is "eight million, nine hundred ninety-one thousand, two hundred fifty-three".