63840103 has 2 divisors, whose sum is σ = 63840104. Its totient is φ = 63840102.

The previous prime is 63840089. The next prime is 63840131. The reversal of 63840103 is 30104836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63840103 - 2⁵ = 63840071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63844103) 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, 31920051 + 31920052.

It is an arithmetic number, because the mean of its divisors is an integer number (31920052).

Almost surely, 2^63840103 is an apocalyptic number.

63840103 is a deficient number, since it is larger than the sum of its proper divisors (1).

63840103 is an equidigital number, since it uses as much as digits as its factorization.

63840103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63840103 is about 7990.0001877347. Note that the first 3 decimals coincide. The cubic root of 63840103 is about 399.6666034440. Note that the first 4 decimals are identical.

Adding to 63840103 its reverse (30104836), we get a palindrome (93944939).

The spelling of 63840103 in words is "sixty-three million, eight hundred forty thousand, one hundred three".