328137853 has 4 divisors (see below), whose sum is σ = 328208860. Its totient is φ = 328066848.

The previous prime is 328137833. The next prime is 328137869. The reversal of 328137853 is 358731823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190357209 + 137780644 = 13797^2 + 11738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328137853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328137833) 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 3 ways as a sum of consecutive naturals, for example, 28050 + ... + 37987.

It is an arithmetic number, because the mean of its divisors is an integer number (82052215).

Almost surely, 2^328137853 is an apocalyptic number.

It is an amenable number.

328137853 is a deficient number, since it is larger than the sum of its proper divisors (71007).

328137853 is an equidigital number, since it uses as much as digits as its factorization.

328137853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71006.

The product of its digits is 120960, while the sum is 40.

The square root of 328137853 is about 18114.5757057680. The cubic root of 328137853 is about 689.7400498069.

The spelling of 328137853 in words is "three hundred twenty-eight million, one hundred thirty-seven thousand, eight hundred fifty-three".