63161143 has 2 divisors, whose sum is σ = 63161144. Its totient is φ = 63161142.

The previous prime is 63161129. The next prime is 63161201. The reversal of 63161143 is 34116136.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63161143 - 2⁹ = 63160631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63161113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31580571 + 31580572.

It is an arithmetic number, because the mean of its divisors is an integer number (31580572).

Almost surely, 2^63161143 is an apocalyptic number.

63161143 is a deficient number, since it is larger than the sum of its proper divisors (1).

63161143 is an equidigital number, since it uses as much as digits as its factorization.

63161143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 63161143 is about 7947.3985051714. The cubic root of 63161143 is about 398.2446897320.

Adding to 63161143 its reverse (34116136), we get a palindrome (97277279).

The spelling of 63161143 in words is "sixty-three million, one hundred sixty-one thousand, one hundred forty-three".