64652085 has 24 divisors (see below), whose sum is σ = 113604504. Its totient is φ = 34007040.

The previous prime is 64652083. The next prime is 64652087. The reversal of 64652085 is 58025646.

64652085 is a `hidden beast` number, since 646 + 5 + 2 + 0 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (64652083) and next prime (64652087).

It can be written as a sum of positive squares in 4 ways, for example, as 25826724 + 38825361 = 5082^2 + 6231^2 .

It is not a de Polignac number, because 64652085 - 2¹ = 64652083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64652083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6556 + ... + 13125.

It is an arithmetic number, because the mean of its divisors is an integer number (4733521).

Almost surely, 2^64652085 is an apocalyptic number.

It is an amenable number.

64652085 is a deficient number, since it is larger than the sum of its proper divisors (48952419).

64652085 is a wasteful number, since it uses less digits than its factorization.

64652085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19765 (or 19762 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 64652085 is about 8040.6520257999. The cubic root of 64652085 is about 401.3539224809.

The spelling of 64652085 in words is "sixty-four million, six hundred fifty-two thousand, eighty-five".