65005163 has 4 divisors (see below), whose sum is σ = 65021640. Its totient is φ = 64988688.

The previous prime is 65005151. The next prime is 65005201. The reversal of 65005163 is 36150056.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65005163 - 2⁴ = 65005147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65005123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (16255410).

Almost surely, 2^65005163 is an apocalyptic number.

65005163 is a deficient number, since it is larger than the sum of its proper divisors (16477).

65005163 is an equidigital number, since it uses as much as digits as its factorization.

65005163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16476.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 65005163 is about 8062.5779376078. The cubic root of 65005163 is about 402.0832212217.

The spelling of 65005163 in words is "sixty-five million, five thousand, one hundred sixty-three".