63965227 has 2 divisors, whose sum is σ = 63965228. Its totient is φ = 63965226.

The previous prime is 63965221. The next prime is 63965269. The reversal of 63965227 is 72256936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63965227 - 2¹⁹ = 63440939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63965227.

It is not a weakly prime, because it can be changed into another prime (63965221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31982613 + 31982614.

It is an arithmetic number, because the mean of its divisors is an integer number (31982614).

Almost surely, 2^63965227 is an apocalyptic number.

63965227 is a deficient number, since it is larger than the sum of its proper divisors (1).

63965227 is an equidigital number, since it uses as much as digits as its factorization.

63965227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 63965227 is about 7997.8263922143. The cubic root of 63965227 is about 399.9275431258.

The spelling of 63965227 in words is "sixty-three million, nine hundred sixty-five thousand, two hundred twenty-seven".