63228271 has 2 divisors, whose sum is σ = 63228272. Its totient is φ = 63228270.

The previous prime is 63228247. The next prime is 63228281. The reversal of 63228271 is 17282236.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63228271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63228241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31614135 + 31614136.

It is an arithmetic number, because the mean of its divisors is an integer number (31614136).

Almost surely, 2^63228271 is an apocalyptic number.

63228271 is a deficient number, since it is larger than the sum of its proper divisors (1).

63228271 is an equidigital number, since it uses as much as digits as its factorization.

63228271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 63228271 is about 7951.6206524205. The cubic root of 63228271 is about 398.3857253068.

The spelling of 63228271 in words is "sixty-three million, two hundred twenty-eight thousand, two hundred seventy-one".