6448451 has 2 divisors, whose sum is σ = 6448452. Its totient is φ = 6448450.

The previous prime is 6448427. The next prime is 6448483. The reversal of 6448451 is 1548446.

It is an a-pointer prime, because the next prime (6448483) can be obtained adding 6448451 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6448451 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6748451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224225 + 3224226.

It is an arithmetic number, because the mean of its divisors is an integer number (3224226).

Almost surely, 2^6448451 is an apocalyptic number.

6448451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448451 is an equidigital number, since it uses as much as digits as its factorization.

6448451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 32.

The square root of 6448451 is about 2539.3800424513. The cubic root of 6448451 is about 186.1308960295.

The spelling of 6448451 in words is "six million, four hundred forty-eight thousand, four hundred fifty-one".