65044612 has 6 divisors (see below), whose sum is σ = 113828078. Its totient is φ = 32522304.

The previous prime is 65044589. The next prime is 65044613. The reversal of 65044612 is 21644056.

It can be written as a sum of positive squares in only one way, i.e., 59351616 + 5692996 = 7704^2 + 2386^2 .

It is not an unprimeable number, because it can be changed into a prime (65044613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8130573 + ... + 8130580.

Almost surely, 2^65044612 is an apocalyptic number.

It is an amenable number.

65044612 is a deficient number, since it is larger than the sum of its proper divisors (48783466).

65044612 is a wasteful number, since it uses less digits than its factorization.

65044612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16261157 (or 16261155 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 65044612 is about 8065.0239925248. The cubic root of 65044612 is about 402.1645407801.

Adding to 65044612 its reverse (21644056), we get a palindrome (86688668).

It can be divided in two parts, 65044 and 612, that added together give a palindrome (65656).

The spelling of 65044612 in words is "sixty-five million, forty-four thousand, six hundred twelve".