65008215 has 48 divisors (see below), whose sum is σ = 119683200. Its totient is φ = 32550336.

The previous prime is 65008201. The next prime is 65008219. The reversal of 65008215 is 51280056.

65008215 is a `hidden beast` number, since 650 + 0 + 8 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 65008215 - 2⁷ = 65008087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65008219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118572 + ... + 119118.

It is an arithmetic number, because the mean of its divisors is an integer number (2493400).

Almost surely, 2^65008215 is an apocalyptic number.

65008215 is a deficient number, since it is larger than the sum of its proper divisors (54674985).

65008215 is a wasteful number, since it uses less digits than its factorization.

65008215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 713 counting only the distinct ones).

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

The square root of 65008215 is about 8062.7672048745. The cubic root of 65008215 is about 402.0895137413.

The spelling of 65008215 in words is "sixty-five million, eight thousand, two hundred fifteen".