63061871 has 2 divisors, whose sum is σ = 63061872. Its totient is φ = 63061870.

The previous prime is 63061847. The next prime is 63061907. The reversal of 63061871 is 17816036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63061871 - 2¹⁸ = 62799727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63064871) 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, 31530935 + 31530936.

It is an arithmetic number, because the mean of its divisors is an integer number (31530936).

Almost surely, 2^63061871 is an apocalyptic number.

63061871 is a deficient number, since it is larger than the sum of its proper divisors (1).

63061871 is an equidigital number, since it uses as much as digits as its factorization.

63061871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 63061871 is about 7941.1504833997. The cubic root of 63061871 is about 398.0359365041.

The spelling of 63061871 in words is "sixty-three million, sixty-one thousand, eight hundred seventy-one".