63604433 has 2 divisors, whose sum is σ = 63604434. Its totient is φ = 63604432.

The previous prime is 63604421. The next prime is 63604451. The reversal of 63604433 is 33440636.

63604433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55606849 + 7997584 = 7457^2 + 2828^2 .

It is a cyclic number.

It is not a de Polignac number, because 63604433 - 2¹⁶ = 63538897 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63604396 and 63604405.

It is not a weakly prime, because it can be changed into another prime (63604483) 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, 31802216 + 31802217.

It is an arithmetic number, because the mean of its divisors is an integer number (31802217).

Almost surely, 2^63604433 is an apocalyptic number.

It is an amenable number.

63604433 is a deficient number, since it is larger than the sum of its proper divisors (1).

63604433 is an equidigital number, since it uses as much as digits as its factorization.

63604433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 63604433 is about 7975.2387425080. The cubic root of 63604433 is about 399.1741983858.

The spelling of 63604433 in words is "sixty-three million, six hundred four thousand, four hundred thirty-three".