63438103 has 2 divisors, whose sum is σ = 63438104. Its totient is φ = 63438102.

The previous prime is 63438049. The next prime is 63438107. The reversal of 63438103 is 30183436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63438103 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63438107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31719051 + 31719052.

It is an arithmetic number, because the mean of its divisors is an integer number (31719052).

Almost surely, 2^63438103 is an apocalyptic number.

63438103 is a deficient number, since it is larger than the sum of its proper divisors (1).

63438103 is an equidigital number, since it uses as much as digits as its factorization.

63438103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 63438103 is about 7964.8040151657. The cubic root of 63438103 is about 398.8259385710.

The spelling of 63438103 in words is "sixty-three million, four hundred thirty-eight thousand, one hundred three".