63416257 has 2 divisors, whose sum is σ = 63416258. Its totient is φ = 63416256.

The previous prime is 63416251. The next prime is 63416293. The reversal of 63416257 is 75261436.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52287361 + 11128896 = 7231^2 + 3336^2 .

It is a cyclic number.

It is not a de Polignac number, because 63416257 - 2¹¹ = 63414209 is a prime.

It is equal to p_3752485 and since 63416257 and 3752485 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (63416251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31708128 + 31708129.

It is an arithmetic number, because the mean of its divisors is an integer number (31708129).

Almost surely, 2^63416257 is an apocalyptic number.

It is an amenable number.

63416257 is a deficient number, since it is larger than the sum of its proper divisors (1).

63416257 is an equidigital number, since it uses as much as digits as its factorization.

63416257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 63416257 is about 7963.4324885692. The cubic root of 63416257 is about 398.7801524616.

The spelling of 63416257 in words is "sixty-three million, four hundred sixteen thousand, two hundred fifty-seven".