63758257 has 2 divisors, whose sum is σ = 63758258. Its totient is φ = 63758256.

The previous prime is 63758251. The next prime is 63758263. The reversal of 63758257 is 75285736.

It is a balanced prime because it is at equal distance from previous prime (63758251) and next prime (63758263).

It can be written as a sum of positive squares in only one way, i.e., 62078641 + 1679616 = 7879^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 63758257 - 2³ = 63758249 is a prime.

It is not a weakly prime, because it can be changed into another prime (63758251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31879128 + 31879129.

It is an arithmetic number, because the mean of its divisors is an integer number (31879129).

Almost surely, 2^63758257 is an apocalyptic number.

It is an amenable number.

63758257 is a deficient number, since it is larger than the sum of its proper divisors (1).

63758257 is an equidigital number, since it uses as much as digits as its factorization.

63758257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 63758257 is about 7984.8767679908. The cubic root of 63758257 is about 399.4957333049.

The spelling of 63758257 in words is "sixty-three million, seven hundred fifty-eight thousand, two hundred fifty-seven".