63141917 has 2 divisors, whose sum is σ = 63141918. Its totient is φ = 63141916.

The previous prime is 63141913. The next prime is 63141971. The reversal of 63141917 is 71914136.

Together with next prime (63141971) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48288601 + 14853316 = 6949^2 + 3854^2 .

It is a cyclic number.

It is not a de Polignac number, because 63141917 - 2² = 63141913 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63141913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570958 + 31570959.

It is an arithmetic number, because the mean of its divisors is an integer number (31570959).

Almost surely, 2^63141917 is an apocalyptic number.

It is an amenable number.

63141917 is a deficient number, since it is larger than the sum of its proper divisors (1).

63141917 is an equidigital number, since it uses as much as digits as its factorization.

63141917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 63141917 is about 7946.1888349070. The cubic root of 63141917 is about 398.2042775996.

The spelling of 63141917 in words is "sixty-three million, one hundred forty-one thousand, nine hundred seventeen".