65075065 has 32 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 43929600.

The previous prime is 65075063. The next prime is 65075081. The reversal of 65075065 is 56057056.

It is not a de Polignac number, because 65075065 - 2¹ = 65075063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65075065.

It is not an unprimeable number, because it can be changed into a prime (65075063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73425 + ... + 74305.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^65075065 is an apocalyptic number.

It is an amenable number.

65075065 is a deficient number, since it is larger than the sum of its proper divisors (26370695).

65075065 is a wasteful number, since it uses less digits than its factorization.

65075065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 65075065 is about 8066.9117387015. The cubic root of 65075065 is about 402.2272936384.

Subtracting from 65075065 its reverse (56057056), we obtain a square (9018009 = 3003²).

The spelling of 65075065 in words is "sixty-five million, seventy-five thousand, sixty-five".