65012085 has 16 divisors (see below), whose sum is σ = 115577280. Its totient is φ = 34673040.

The previous prime is 65012081. The next prime is 65012089. The reversal of 65012085 is 58021056.

Added to its reverse (58021056) it gives a triangular number (123033141 = T₁₅₆₈₆).

65012085 is a `hidden beast` number, since 650 + 1 + 2 + 0 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (65012081) and next prime (65012089).

It is not a de Polignac number, because 65012085 - 2² = 65012081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65012081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240651 + ... + 240920.

It is an arithmetic number, because the mean of its divisors is an integer number (7223580).

Almost surely, 2^65012085 is an apocalyptic number.

It is an amenable number.

65012085 is a deficient number, since it is larger than the sum of its proper divisors (50565195).

65012085 is a wasteful number, since it uses less digits than its factorization.

65012085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481585 (or 481579 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 65012085 is about 8063.0071933491. The cubic root of 65012085 is about 402.0974925049.

Adding to 65012085 its reverse (58021056), we get a triangular number (123033141 = T₁₅₆₈₆).

The spelling of 65012085 in words is "sixty-five million, twelve thousand, eighty-five".