328141565 has 8 divisors (see below), whose sum is σ = 416932920. Its totient is φ = 247071232.

The previous prime is 328141559. The next prime is 328141577. The reversal of 328141565 is 565141823.

It can be written as a sum of positive squares in 4 ways, for example, as 29474041 + 298667524 = 5429^2 + 17282^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328141565 - 2⁴ = 328141549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930160 + ... + 1930329.

It is an arithmetic number, because the mean of its divisors is an integer number (52116615).

Almost surely, 2^328141565 is an apocalyptic number.

It is an amenable number.

328141565 is a deficient number, since it is larger than the sum of its proper divisors (88791355).

328141565 is a wasteful number, since it uses less digits than its factorization.

328141565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860511.

The product of its digits is 28800, while the sum is 35.

The square root of 328141565 is about 18114.6781644058. The cubic root of 328141565 is about 689.7426506502.

The spelling of 328141565 in words is "three hundred twenty-eight million, one hundred forty-one thousand, five hundred sixty-five".