63974117 has 2 divisors, whose sum is σ = 63974118. Its totient is φ = 63974116.

The previous prime is 63974101. The next prime is 63974149. The reversal of 63974117 is 71147936.

63974117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63457156 + 516961 = 7966^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 63974117 - 2⁴ = 63974101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63974167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31987058 + 31987059.

It is an arithmetic number, because the mean of its divisors is an integer number (31987059).

Almost surely, 2^63974117 is an apocalyptic number.

It is an amenable number.

63974117 is a deficient number, since it is larger than the sum of its proper divisors (1).

63974117 is an equidigital number, since it uses as much as digits as its factorization.

63974117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 63974117 is about 7998.3821489099. The cubic root of 63974117 is about 399.9460698125.

The spelling of 63974117 in words is "sixty-three million, nine hundred seventy-four thousand, one hundred seventeen".