65331863 has 2 divisors, whose sum is σ = 65331864. Its totient is φ = 65331862.

The previous prime is 65331859. The next prime is 65331869. The reversal of 65331863 is 36813356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65331863 - 2² = 65331859 is a prime.

It is a Sophie Germain 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 (65331869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32665931 + 32665932.

It is an arithmetic number, because the mean of its divisors is an integer number (32665932).

Almost surely, 2^65331863 is an apocalyptic number.

65331863 is a deficient number, since it is larger than the sum of its proper divisors (1).

65331863 is an equidigital number, since it uses as much as digits as its factorization.

65331863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 65331863 is about 8082.8128148560. The cubic root of 65331863 is about 402.7556864674.

The spelling of 65331863 in words is "sixty-five million, three hundred thirty-one thousand, eight hundred sixty-three".