63148817 has 2 divisors, whose sum is σ = 63148818. Its totient is φ = 63148816.

The previous prime is 63148763. The next prime is 63148831. The reversal of 63148817 is 71884136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50751376 + 12397441 = 7124^2 + 3521^2 .

It is a cyclic number.

It is not a de Polignac number, because 63148817 - 2⁶ = 63148753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63148867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31574408 + 31574409.

It is an arithmetic number, because the mean of its divisors is an integer number (31574409).

Almost surely, 2^63148817 is an apocalyptic number.

It is an amenable number.

63148817 is a deficient number, since it is larger than the sum of its proper divisors (1).

63148817 is an equidigital number, since it uses as much as digits as its factorization.

63148817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 63148817 is about 7946.6229934482. The cubic root of 63148817 is about 398.2187820132.

The spelling of 63148817 in words is "sixty-three million, one hundred forty-eight thousand, eight hundred seventeen".