63305449 has 2 divisors, whose sum is σ = 63305450. Its totient is φ = 63305448.

The previous prime is 63305443. The next prime is 63305461. The reversal of 63305449 is 94450336.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 26010000 = 6107^2 + 5100^2 .

It is a cyclic number.

It is not a de Polignac number, because 63305449 - 2⁹ = 63304937 is a prime.

It is equal to p_3746329 and since 63305449 and 3746329 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (63305443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31652724 + 31652725.

It is an arithmetic number, because the mean of its divisors is an integer number (31652725).

Almost surely, 2^63305449 is an apocalyptic number.

It is an amenable number.

63305449 is a deficient number, since it is larger than the sum of its proper divisors (1).

63305449 is an equidigital number, since it uses as much as digits as its factorization.

63305449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 63305449 is about 7956.4721453669. The cubic root of 63305449 is about 398.5477525744.

The spelling of 63305449 in words is "sixty-three million, three hundred five thousand, four hundred forty-nine".