325315665 has 24 divisors (see below), whose sum is σ = 564356520. Its totient is φ = 173355264.

The previous prime is 325315637. The next prime is 325315673. The reversal of 325315665 is 566513523.

It can be written as a sum of positive squares in 4 ways, for example, as 231070401 + 94245264 = 15201^2 + 9708^2 .

It is not a de Polignac number, because 325315665 - 2⁵ = 325315633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70159 + ... + 74651.

It is an arithmetic number, because the mean of its divisors is an integer number (23514855).

Almost surely, 2^325315665 is an apocalyptic number.

It is an amenable number.

325315665 is a deficient number, since it is larger than the sum of its proper divisors (239040855).

325315665 is a wasteful number, since it uses less digits than its factorization.

325315665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113 (or 6110 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 325315665 is about 18036.5092243483. The cubic root of 325315665 is about 687.7569569517.

The spelling of 325315665 in words is "three hundred twenty-five million, three hundred fifteen thousand, six hundred sixty-five".