63608401 has 2 divisors, whose sum is σ = 63608402. Its totient is φ = 63608400.

The previous prime is 63608399. The next prime is 63608411. The reversal of 63608401 is 10480636.

63608401 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., 31979025 + 31629376 = 5655^2 + 5624^2 .

It is a cyclic number.

It is not a de Polignac number, because 63608401 - 2¹ = 63608399 is a prime.

Together with 63608399, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63608401.

It is not a weakly prime, because it can be changed into another prime (63608411) 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, 31804200 + 31804201.

It is an arithmetic number, because the mean of its divisors is an integer number (31804201).

Almost surely, 2^63608401 is an apocalyptic number.

It is an amenable number.

63608401 is a deficient number, since it is larger than the sum of its proper divisors (1).

63608401 is an equidigital number, since it uses as much as digits as its factorization.

63608401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 63608401 is about 7975.4875086104. The cubic root of 63608401 is about 399.1824991190.

It can be divided in two parts, 63608 and 401, that added together give a square (64009 = 253²).

The spelling of 63608401 in words is "sixty-three million, six hundred eight thousand, four hundred one".