65006905 has 8 divisors (see below), whose sum is σ = 78766272. Its totient is φ = 51500208.

The previous prime is 65006899. The next prime is 65006941. The reversal of 65006905 is 50960056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65006905 - 2³ = 65006897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62599 + ... + 63628.

It is an arithmetic number, because the mean of its divisors is an integer number (9845784).

Almost surely, 2^65006905 is an apocalyptic number.

It is an amenable number.

65006905 is a deficient number, since it is larger than the sum of its proper divisors (13759367).

65006905 is a wasteful number, since it uses less digits than its factorization.

65006905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126335.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 65006905 is about 8062.6859668475. The cubic root of 65006905 is about 402.0868128478.

The spelling of 65006905 in words is "sixty-five million, six thousand, nine hundred five".