6435449 has 2 divisors, whose sum is σ = 6435450. Its totient is φ = 6435448.

The previous prime is 6435431. The next prime is 6435467. The reversal of 6435449 is 9445346.

It is a balanced prime because it is at equal distance from previous prime (6435431) and next prime (6435467).

It can be written as a sum of positive squares in only one way, i.e., 6325225 + 110224 = 2515^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 6435449 - 2²⁰ = 5386873 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6⁷ + 4⁴ + 3⁵ + 5⁹ + 4⁵ + 4¹¹ + 9⁴ .

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6435479) 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, 3217724 + 3217725.

It is an arithmetic number, because the mean of its divisors is an integer number (3217725).

Almost surely, 2^6435449 is an apocalyptic number.

It is an amenable number.

6435449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6435449 is an equidigital number, since it uses as much as digits as its factorization.

6435449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 6435449 is about 2536.8186770047. The cubic root of 6435449 is about 186.0057133945.

The spelling of 6435449 in words is "six million, four hundred thirty-five thousand, four hundred forty-nine".