63536489 has 2 divisors, whose sum is σ = 63536490. Its totient is φ = 63536488.

The previous prime is 63536479. The next prime is 63536507. The reversal of 63536489 is 98463536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 25836889 = 6140^2 + 5083^2 .

It is a cyclic number.

It is not a de Polignac number, because 63536489 - 2⁸ = 63536233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63536479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31768244 + 31768245.

It is an arithmetic number, because the mean of its divisors is an integer number (31768245).

Almost surely, 2^63536489 is an apocalyptic number.

It is an amenable number.

63536489 is a deficient number, since it is larger than the sum of its proper divisors (1).

63536489 is an equidigital number, since it uses as much as digits as its factorization.

63536489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 63536489 is about 7970.9779199293. The cubic root of 63536489 is about 399.0320114684.

The spelling of 63536489 in words is "sixty-three million, five hundred thirty-six thousand, four hundred eighty-nine".