6628253 has 2 divisors, whose sum is σ = 6628254. Its totient is φ = 6628252.

The previous prime is 6628247. The next prime is 6628261. The reversal of 6628253 is 3528266.

6628253 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., 5583769 + 1044484 = 2363^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 6628253 - 2⁶ = 6628189 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6628553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314126 + 3314127.

It is an arithmetic number, because the mean of its divisors is an integer number (3314127).

Almost surely, 2^6628253 is an apocalyptic number.

It is an amenable number.

6628253 is a deficient number, since it is larger than the sum of its proper divisors (1).

6628253 is an equidigital number, since it uses as much as digits as its factorization.

6628253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 6628253 is about 2574.5393762769. The cubic root of 6628253 is about 187.8450228007.

The spelling of 6628253 in words is "six million, six hundred twenty-eight thousand, two hundred fifty-three".