65331263 has 2 divisors, whose sum is σ = 65331264. Its totient is φ = 65331262.

The previous prime is 65331197. The next prime is 65331271. The reversal of 65331263 is 36213356.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65331263 - 2¹² = 65327167 is a 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 (65331863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32665631 + 32665632.

It is an arithmetic number, because the mean of its divisors is an integer number (32665632).

Almost surely, 2^65331263 is an apocalyptic number.

65331263 is a deficient number, since it is larger than the sum of its proper divisors (1).

65331263 is an equidigital number, since it uses as much as digits as its factorization.

65331263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 29.

The square root of 65331263 is about 8082.7756989787. The cubic root of 65331263 is about 402.7544535103.

The spelling of 65331263 in words is "sixty-five million, three hundred thirty-one thousand, two hundred sixty-three".