325289665 has 16 divisors (see below), whose sum is σ = 416839680. Its totient is φ = 243149760.

The previous prime is 325289663. The next prime is 325289677. The reversal of 325289665 is 566982523.

It is not a de Polignac number, because 325289665 - 2¹ = 325289663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (325289663) 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, 31689 + ... + 40678.

It is an arithmetic number, because the mean of its divisors is an integer number (26052480).

Almost surely, 2^325289665 is an apocalyptic number.

It is an amenable number.

325289665 is a deficient number, since it is larger than the sum of its proper divisors (91550015).

325289665 is a wasteful number, since it uses less digits than its factorization.

325289665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72432.

The product of its digits is 777600, while the sum is 46.

The square root of 325289665 is about 18035.7884496354. The cubic root of 325289665 is about 687.7386340741.

The spelling of 325289665 in words is "three hundred twenty-five million, two hundred eighty-nine thousand, six hundred sixty-five".