63452161 has 2 divisors, whose sum is σ = 63452162. Its totient is φ = 63452160.

The previous prime is 63452159. The next prime is 63452171. The reversal of 63452161 is 16125436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37442161 + 26010000 = 6119^2 + 5100^2 .

It is a cyclic number.

It is not a de Polignac number, because 63452161 - 2¹ = 63452159 is a prime.

Together with 63452159, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (63452171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31726080 + 31726081.

It is an arithmetic number, because the mean of its divisors is an integer number (31726081).

Almost surely, 2^63452161 is an apocalyptic number.

It is an amenable number.

63452161 is a deficient number, since it is larger than the sum of its proper divisors (1).

63452161 is an equidigital number, since it uses as much as digits as its factorization.

63452161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 63452161 is about 7965.6864738703. The cubic root of 63452161 is about 398.8553965816.

Adding to 63452161 its reverse (16125436), we get a palindrome (79577597).

The spelling of 63452161 in words is "sixty-three million, four hundred fifty-two thousand, one hundred sixty-one".