65465447 has 2 divisors, whose sum is σ = 65465448. Its totient is φ = 65465446.

The previous prime is 65465443. The next prime is 65465467. The reversal of 65465447 is 74456456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65465447 - 2² = 65465443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65465443) 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, 32732723 + 32732724.

It is an arithmetic number, because the mean of its divisors is an integer number (32732724).

Almost surely, 2^65465447 is an apocalyptic number.

65465447 is a deficient number, since it is larger than the sum of its proper divisors (1).

65465447 is an equidigital number, since it uses as much as digits as its factorization.

65465447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 41.

The square root of 65465447 is about 8091.0720550493. The cubic root of 65465447 is about 403.0300043133.

The spelling of 65465447 in words is "sixty-five million, four hundred sixty-five thousand, four hundred forty-seven".