65088681 has 8 divisors (see below), whose sum is σ = 99182784. Its totient is φ = 37193520.

The previous prime is 65088679. The next prime is 65088697. The reversal of 65088681 is 18688056.

65088681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 65088681 - 2¹ = 65088679 is a prime.

It is a super-2 number, since 2×65088681² = 8473072788639522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (65088641) by changing a digit.

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, 1549710 + ... + 1549751.

It is an arithmetic number, because the mean of its divisors is an integer number (12397848).

Almost surely, 2^65088681 is an apocalyptic number.

It is an amenable number.

65088681 is a deficient number, since it is larger than the sum of its proper divisors (34094103).

65088681 is a wasteful number, since it uses less digits than its factorization.

65088681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099471.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 65088681 is about 8067.7556358630. The cubic root of 65088681 is about 402.2553450633.

The spelling of 65088681 in words is "sixty-five million, eighty-eight thousand, six hundred eighty-one".