63326257 has 2 divisors, whose sum is σ = 63326258. Its totient is φ = 63326256.

The previous prime is 63326243. The next prime is 63326267. The reversal of 63326257 is 75262336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 1089936 = 7889^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 63326257 - 2¹⁹ = 62801969 is a prime.

It is not a weakly prime, because it can be changed into another prime (63326267) 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, 31663128 + 31663129.

It is an arithmetic number, because the mean of its divisors is an integer number (31663129).

Almost surely, 2^63326257 is an apocalyptic number.

It is an amenable number.

63326257 is a deficient number, since it is larger than the sum of its proper divisors (1).

63326257 is an equidigital number, since it uses as much as digits as its factorization.

63326257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

The square root of 63326257 is about 7957.7796526418. The cubic root of 63326257 is about 398.5914142882.

The spelling of 63326257 in words is "sixty-three million, three hundred twenty-six thousand, two hundred fifty-seven".