6430253 has 2 divisors, whose sum is σ = 6430254. Its totient is φ = 6430252.

The previous prime is 6430247. The next prime is 6430261. The reversal of 6430253 is 3520346.

6430253 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., 3378244 + 3052009 = 1838^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 6430253 - 2¹² = 6426157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6430223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215126 + 3215127.

It is an arithmetic number, because the mean of its divisors is an integer number (3215127).

Almost surely, 2^6430253 is an apocalyptic number.

It is an amenable number.

6430253 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430253 is an equidigital number, since it uses as much as digits as its factorization.

6430253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 6430253 is about 2535.7943528607. The cubic root of 6430253 is about 185.9556393997.

Adding to 6430253 its reverse (3520346), we get a palindrome (9950599).

The spelling of 6430253 in words is "six million, four hundred thirty thousand, two hundred fifty-three".