63117361 has 2 divisors, whose sum is σ = 63117362. Its totient is φ = 63117360.

The previous prime is 63117337. The next prime is 63117391. The reversal of 63117361 is 16371136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59582961 + 3534400 = 7719^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 63117361 - 2⁷ = 63117233 is a prime.

It is not a weakly prime, because it can be changed into another prime (63117331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558680 + 31558681.

It is an arithmetic number, because the mean of its divisors is an integer number (31558681).

Almost surely, 2^63117361 is an apocalyptic number.

It is an amenable number.

63117361 is a deficient number, since it is larger than the sum of its proper divisors (1).

63117361 is an equidigital number, since it uses as much as digits as its factorization.

63117361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 28.

The square root of 63117361 is about 7944.6435414057. The cubic root of 63117361 is about 398.1526501304.

Adding to 63117361 its reverse (16371136), we get a palindrome (79488497).

The spelling of 63117361 in words is "sixty-three million, one hundred seventeen thousand, three hundred sixty-one".