65112305 has 8 divisors (see below), whose sum is σ = 80040744. Its totient is φ = 50819200.

The previous prime is 65112293. The next prime is 65112323. The reversal of 65112305 is 50321156.

65112305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1495729 + 63616576 = 1223^2 + 7976^2 .

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

It is not a de Polignac number, because 65112305 - 2¹⁰ = 65111281 is a prime.

It is a super-2 number, since 2×65112305² = 8479224524826050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158606 + ... + 159015.

It is an arithmetic number, because the mean of its divisors is an integer number (10005093).

Almost surely, 2^65112305 is an apocalyptic number.

It is an amenable number.

65112305 is a deficient number, since it is larger than the sum of its proper divisors (14928439).

65112305 is a wasteful number, since it uses less digits than its factorization.

65112305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317667.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 65112305 is about 8069.2196029108. The cubic root of 65112305 is about 402.3040054994.

The spelling of 65112305 in words is "sixty-five million, one hundred twelve thousand, three hundred five".