65395281 has 16 divisors (see below), whose sum is σ = 100026368. Its totient is φ = 37227600.

The previous prime is 65395249. The next prime is 65395333. The reversal of 65395281 is 18259356.

It is not a de Polignac number, because 65395281 - 2⁵ = 65395249 is a prime.

It is a super-2 number, since 2×65395281² = 8553085554137922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65395241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 11436.

It is an arithmetic number, because the mean of its divisors is an integer number (6251648).

Almost surely, 2^65395281 is an apocalyptic number.

It is an amenable number.

65395281 is a deficient number, since it is larger than the sum of its proper divisors (34631087).

65395281 is a wasteful number, since it uses less digits than its factorization.

65395281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772.

The product of its digits is 64800, while the sum is 39.

The square root of 65395281 is about 8086.7348788000. The cubic root of 65395281 is about 402.8859633789.

The spelling of 65395281 in words is "sixty-five million, three hundred ninety-five thousand, two hundred eighty-one".