324288065 has 16 divisors (see below), whose sum is σ = 399800016. Its totient is φ = 252364800.

The previous prime is 324288059. The next prime is 324288071. The reversal of 324288065 is 560882423.

It is a Cunningham number, because it is equal to 18008²+1.

It is an interprime number because it is at equal distance from previous prime (324288059) and next prime (324288071).

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 324288064 = 1^2 + 18008^2 .

It is not a de Polignac number, because 324288065 - 2¹⁸ = 324025921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 74345 + ... + 78585.

It is an arithmetic number, because the mean of its divisors is an integer number (24987501).

Almost surely, 2^324288065 is an apocalyptic number.

It is an amenable number.

324288065 is a deficient number, since it is larger than the sum of its proper divisors (75511951).

324288065 is a wasteful number, since it uses less digits than its factorization.

324288065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 324288065 is about 18008.0000277654. Note that the first 4 decimals coincide. The cubic root of 324288065 is about 687.0320359210.

The spelling of 324288065 in words is "three hundred twenty-four million, two hundred eighty-eight thousand, sixty-five".