65085645 has 8 divisors (see below), whose sum is σ = 104137056. Its totient is φ = 34712336.

The previous prime is 65085641. The next prime is 65085649. The reversal of 65085645 is 54658056.

It is an interprime number because it is at equal distance from previous prime (65085641) and next prime (65085649).

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 65085645 - 2² = 65085641 is a prime.

It is a super-3 number, since 3×65085645³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65085641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169507 + ... + 2169536.

It is an arithmetic number, because the mean of its divisors is an integer number (13017132).

Almost surely, 2^65085645 is an apocalyptic number.

It is an amenable number.

65085645 is a deficient number, since it is larger than the sum of its proper divisors (39051411).

65085645 is a wasteful number, since it uses less digits than its factorization.

65085645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339051.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 65085645 is about 8067.5674772511. The cubic root of 65085645 is about 402.2490906926.

The spelling of 65085645 in words is "sixty-five million, eighty-five thousand, six hundred forty-five".