65219963 has 2 divisors, whose sum is σ = 65219964. Its totient is φ = 65219962.

The previous prime is 65219953. The next prime is 65219969. The reversal of 65219963 is 36991256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65219963 - 2⁶ = 65219899 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65219963.

It is not a weakly prime, because it can be changed into another prime (65219969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32609981 + 32609982.

It is an arithmetic number, because the mean of its divisors is an integer number (32609982).

Almost surely, 2^65219963 is an apocalyptic number.

65219963 is a deficient number, since it is larger than the sum of its proper divisors (1).

65219963 is an equidigital number, since it uses as much as digits as its factorization.

65219963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 41.

The square root of 65219963 is about 8075.8877530585. The cubic root of 65219963 is about 402.5256092652.

The spelling of 65219963 in words is "sixty-five million, two hundred nineteen thousand, nine hundred sixty-three".