65250065 has 16 divisors (see below), whose sum is σ = 81357696. Its totient is φ = 50198400.

The previous prime is 65250061. The next prime is 65250067. The reversal of 65250065 is 56005256.

65250065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65250065 - 2² = 65250061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65250061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12314 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (5084856).

Almost surely, 2^65250065 is an apocalyptic number.

It is an amenable number.

65250065 is a deficient number, since it is larger than the sum of its proper divisors (16107631).

65250065 is a wasteful number, since it uses less digits than its factorization.

65250065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 65250065 is about 8077.7512340997. The cubic root of 65250065 is about 402.5875277416.

The spelling of 65250065 in words is "sixty-five million, two hundred fifty thousand, sixty-five".