63385897 has 2 divisors, whose sum is σ = 63385898. Its totient is φ = 63385896.

The previous prime is 63385879. The next prime is 63385937. The reversal of 63385897 is 79858336.

63385897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (63385879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40908816 + 22477081 = 6396^2 + 4741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63385897 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63385897.

It is not a weakly prime, because it can be changed into another prime (63383897) 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, 31692948 + 31692949.

It is an arithmetic number, because the mean of its divisors is an integer number (31692949).

Almost surely, 2^63385897 is an apocalyptic number.

It is an amenable number.

63385897 is a deficient number, since it is larger than the sum of its proper divisors (1).

63385897 is an equidigital number, since it uses as much as digits as its factorization.

63385897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 63385897 is about 7961.5260471847. The cubic root of 63385897 is about 398.7165047548.

The spelling of 63385897 in words is "sixty-three million, three hundred eighty-five thousand, eight hundred ninety-seven".