65481745 has 8 divisors (see below), whose sum is σ = 89803584. Its totient is φ = 44901744.

The previous prime is 65481721. The next prime is 65481751. The reversal of 65481745 is 54718456.

65481745 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 a cyclic number.

It is not a de Polignac number, because 65481745 - 2¹¹ = 65479697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65481698 and 65481707.

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, 935419 + ... + 935488.

It is an arithmetic number, because the mean of its divisors is an integer number (11225448).

Almost surely, 2^65481745 is an apocalyptic number.

It is an amenable number.

65481745 is a deficient number, since it is larger than the sum of its proper divisors (24321839).

65481745 is a wasteful number, since it uses less digits than its factorization.

65481745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870919.

The product of its digits is 134400, while the sum is 40.

The square root of 65481745 is about 8092.0791518620. The cubic root of 65481745 is about 403.0634470850.

The spelling of 65481745 in words is "sixty-five million, four hundred eighty-one thousand, seven hundred forty-five".