63533161 has 2 divisors, whose sum is σ = 63533162. Its totient is φ = 63533160.

The previous prime is 63533137. The next prime is 63533177. The reversal of 63533161 is 16133536.

63533161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63297936 + 235225 = 7956^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 63533161 - 2¹¹ = 63531113 is a prime.

It is not a weakly prime, because it can be changed into another prime (63533111) 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, 31766580 + 31766581.

It is an arithmetic number, because the mean of its divisors is an integer number (31766581).

Almost surely, 2^63533161 is an apocalyptic number.

It is an amenable number.

63533161 is a deficient number, since it is larger than the sum of its proper divisors (1).

63533161 is an equidigital number, since it uses as much as digits as its factorization.

63533161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 63533161 is about 7970.7691598741. The cubic root of 63533161 is about 399.0250443343.

Adding to 63533161 its reverse (16133536), we get a palindrome (79666697).

The spelling of 63533161 in words is "sixty-three million, five hundred thirty-three thousand, one hundred sixty-one".