6430451 has 2 divisors, whose sum is σ = 6430452. Its totient is φ = 6430450.

The previous prime is 6430441. The next prime is 6430453. The reversal of 6430451 is 1540346.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6430451 - 2¹⁰ = 6429427 is a prime.

Together with 6430453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6430453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215225 + 3215226.

It is an arithmetic number, because the mean of its divisors is an integer number (3215226).

Almost surely, 2^6430451 is an apocalyptic number.

6430451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430451 is an equidigital number, since it uses as much as digits as its factorization.

6430451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6430451 is about 2535.8333935809. The cubic root of 6430451 is about 185.9575480255.

Adding to 6430451 its reverse (1540346), we get a palindrome (7970797).

The spelling of 6430451 in words is "six million, four hundred thirty thousand, four hundred fifty-one".