63065857 has 2 divisors, whose sum is σ = 63065858. Its totient is φ = 63065856.

The previous prime is 63065851. The next prime is 63065879. The reversal of 63065857 is 75856036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 22667121 = 6356^2 + 4761^2 .

It is a cyclic number.

It is not a de Polignac number, because 63065857 - 2⁷ = 63065729 is a prime.

It is a super-3 number, since 3×63065857³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63065851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31532928 + 31532929.

It is an arithmetic number, because the mean of its divisors is an integer number (31532929).

Almost surely, 2^63065857 is an apocalyptic number.

It is an amenable number.

63065857 is a deficient number, since it is larger than the sum of its proper divisors (1).

63065857 is an equidigital number, since it uses as much as digits as its factorization.

63065857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 63065857 is about 7941.4014506257. The cubic root of 63065857 is about 398.0443226482.

The spelling of 63065857 in words is "sixty-three million, sixty-five thousand, eight hundred fifty-seven".