63291103 has 2 divisors, whose sum is σ = 63291104. Its totient is φ = 63291102.

The previous prime is 63291091. The next prime is 63291139. The reversal of 63291103 is 30119236.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63291103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63291143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31645551 + 31645552.

It is an arithmetic number, because the mean of its divisors is an integer number (31645552).

Almost surely, 2^63291103 is an apocalyptic number.

63291103 is a deficient number, since it is larger than the sum of its proper divisors (1).

63291103 is an equidigital number, since it uses as much as digits as its factorization.

63291103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 63291103 is about 7955.5705640765. The cubic root of 63291103 is about 398.5176445921.

The spelling of 63291103 in words is "sixty-three million, two hundred ninety-one thousand, one hundred three".