63677249 has 2 divisors, whose sum is σ = 63677250. Its totient is φ = 63677248.

The previous prime is 63677231. The next prime is 63677279. The reversal of 63677249 is 94277636.

It is a happy number.

63677249 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., 40704400 + 22972849 = 6380^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 63677249 - 2⁸ = 63676993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63677279) 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, 31838624 + 31838625.

It is an arithmetic number, because the mean of its divisors is an integer number (31838625).

Almost surely, 2^63677249 is an apocalyptic number.

It is an amenable number.

63677249 is a deficient number, since it is larger than the sum of its proper divisors (1).

63677249 is an equidigital number, since it uses as much as digits as its factorization.

63677249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 63677249 is about 7979.8025664800. The cubic root of 63677249 is about 399.3264686085.

The spelling of 63677249 in words is "sixty-three million, six hundred seventy-seven thousand, two hundred forty-nine".