63671141 has 2 divisors, whose sum is σ = 63671142. Its totient is φ = 63671140.

The previous prime is 63671123. The next prime is 63671143. The reversal of 63671141 is 14117636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 14025025 = 7046^2 + 3745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63671141 is a prime.

Together with 63671143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63671143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31835570 + 31835571.

It is an arithmetic number, because the mean of its divisors is an integer number (31835571).

Almost surely, 2^63671141 is an apocalyptic number.

It is an amenable number.

63671141 is a deficient number, since it is larger than the sum of its proper divisors (1).

63671141 is an equidigital number, since it uses as much as digits as its factorization.

63671141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 63671141 is about 7979.4198410661. The cubic root of 63671141 is about 399.3137002384.

Adding to 63671141 its reverse (14117636), we get a palindrome (77788777).

The spelling of 63671141 in words is "sixty-three million, six hundred seventy-one thousand, one hundred forty-one".