63431167 has 2 divisors, whose sum is σ = 63431168. Its totient is φ = 63431166.

The previous prime is 63431161. The next prime is 63431197. The reversal of 63431167 is 76113436.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63431167 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63431161) 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, 31715583 + 31715584.

It is an arithmetic number, because the mean of its divisors is an integer number (31715584).

Almost surely, 2^63431167 is an apocalyptic number.

63431167 is a deficient number, since it is larger than the sum of its proper divisors (1).

63431167 is an equidigital number, since it uses as much as digits as its factorization.

63431167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 63431167 is about 7964.3685876534. The cubic root of 63431167 is about 398.8114028403.

The spelling of 63431167 in words is "sixty-three million, four hundred thirty-one thousand, one hundred sixty-seven".