63326161 has 2 divisors, whose sum is σ = 63326162. Its totient is φ = 63326160.

The previous prime is 63326141. The next prime is 63326167. The reversal of 63326161 is 16162336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35700625 + 27625536 = 5975^2 + 5256^2 .

It is a cyclic number.

It is not a de Polignac number, because 63326161 - 2¹¹ = 63324113 is a prime.

It is not a weakly prime, because it can be changed into another prime (63326167) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31663080 + 31663081.

It is an arithmetic number, because the mean of its divisors is an integer number (31663081).

Almost surely, 2^63326161 is an apocalyptic number.

It is an amenable number.

63326161 is a deficient number, since it is larger than the sum of its proper divisors (1).

63326161 is an equidigital number, since it uses as much as digits as its factorization.

63326161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 63326161 is about 7957.7736208063. The cubic root of 63326161 is about 398.5912128721.

Adding to 63326161 its reverse (16162336), we get a palindrome (79488497).

The spelling of 63326161 in words is "sixty-three million, three hundred twenty-six thousand, one hundred sixty-one".