63276649 has 2 divisors, whose sum is σ = 63276650. Its totient is φ = 63276648.

The previous prime is 63276641. The next prime is 63276667. The reversal of 63276649 is 94667236.

63276649 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., 42510400 + 20766249 = 6520^2 + 4557^2 .

It is a cyclic number.

It is not a de Polignac number, because 63276649 - 2³ = 63276641 is a prime.

It is not a weakly prime, because it can be changed into another prime (63276641) 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, 31638324 + 31638325.

It is an arithmetic number, because the mean of its divisors is an integer number (31638325).

Almost surely, 2^63276649 is an apocalyptic number.

It is an amenable number.

63276649 is a deficient number, since it is larger than the sum of its proper divisors (1).

63276649 is an equidigital number, since it uses as much as digits as its factorization.

63276649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 63276649 is about 7954.6620921319. The cubic root of 63276649 is about 398.4873053485.

The spelling of 63276649 in words is "sixty-three million, two hundred seventy-six thousand, six hundred forty-nine".