6375449 has 2 divisors, whose sum is σ = 6375450. Its totient is φ = 6375448.

The previous prime is 6375437. The next prime is 6375451. The reversal of 6375449 is 9445736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5929225 + 446224 = 2435^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 6375449 - 2¹⁶ = 6309913 is a prime.

Together with 6375451, 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 (6375949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187724 + 3187725.

It is an arithmetic number, because the mean of its divisors is an integer number (3187725).

Almost surely, 2^6375449 is an apocalyptic number.

It is an amenable number.

6375449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6375449 is an equidigital number, since it uses as much as digits as its factorization.

6375449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 6375449 is about 2524.9651482743. The cubic root of 6375449 is about 185.4258415244.

The spelling of 6375449 in words is "six million, three hundred seventy-five thousand, four hundred forty-nine".