65485447 has 2 divisors, whose sum is σ = 65485448. Its totient is φ = 65485446.

The previous prime is 65485417. The next prime is 65485579. The reversal of 65485447 is 74458456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65485447 - 2¹¹ = 65483399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65485417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32742723 + 32742724.

It is an arithmetic number, because the mean of its divisors is an integer number (32742724).

Almost surely, 2^65485447 is an apocalyptic number.

65485447 is a deficient number, since it is larger than the sum of its proper divisors (1).

65485447 is an equidigital number, since it uses as much as digits as its factorization.

65485447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 43.

The square root of 65485447 is about 8092.3078908306. The cubic root of 65485447 is about 403.0710426511.

The spelling of 65485447 in words is "sixty-five million, four hundred eighty-five thousand, four hundred forty-seven".