63971059 has 2 divisors, whose sum is σ = 63971060. Its totient is φ = 63971058.

The previous prime is 63971023. The next prime is 63971093. The reversal of 63971059 is 95017936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63971059 - 2⁹ = 63970547 is a prime.

It is equal to p_3783487 and since 63971059 and 3783487 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (63971009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31985529 + 31985530.

It is an arithmetic number, because the mean of its divisors is an integer number (31985530).

Almost surely, 2^63971059 is an apocalyptic number.

63971059 is a deficient number, since it is larger than the sum of its proper divisors (1).

63971059 is an equidigital number, since it uses as much as digits as its factorization.

63971059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 63971059 is about 7998.1909829661. The cubic root of 63971059 is about 399.9396971594.

The spelling of 63971059 in words is "sixty-three million, nine hundred seventy-one thousand, fifty-nine".