63161897 has 2 divisors, whose sum is σ = 63161898. Its totient is φ = 63161896.

The previous prime is 63161893. The next prime is 63161899. The reversal of 63161897 is 79816136.

63161897 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., 52475536 + 10686361 = 7244^2 + 3269^2 .

It is a cyclic number.

It is not a de Polignac number, because 63161897 - 2² = 63161893 is a prime.

Together with 63161899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63161893) 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, 31580948 + 31580949.

It is an arithmetic number, because the mean of its divisors is an integer number (31580949).

Almost surely, 2^63161897 is an apocalyptic number.

It is an amenable number.

63161897 is a deficient number, since it is larger than the sum of its proper divisors (1).

63161897 is an equidigital number, since it uses as much as digits as its factorization.

63161897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 63161897 is about 7947.4459419363. The cubic root of 63161897 is about 398.2462744368.

The spelling of 63161897 in words is "sixty-three million, one hundred sixty-one thousand, eight hundred ninety-seven".