63651073 has 2 divisors, whose sum is σ = 63651074. Its totient is φ = 63651072.

The previous prime is 63651047. The next prime is 63651089. The reversal of 63651073 is 37015636.

63651073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 734449 = 7932^2 + 857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63651073 is a prime.

It is not a weakly prime, because it can be changed into another prime (63651023) 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, 31825536 + 31825537.

It is an arithmetic number, because the mean of its divisors is an integer number (31825537).

Almost surely, 2^63651073 is an apocalyptic number.

It is an amenable number.

63651073 is a deficient number, since it is larger than the sum of its proper divisors (1).

63651073 is an equidigital number, since it uses as much as digits as its factorization.

63651073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 63651073 is about 7978.1622570615. The cubic root of 63651073 is about 399.2717436614.

The spelling of 63651073 in words is "sixty-three million, six hundred fifty-one thousand, seventy-three".