328732151 has 4 divisors (see below), whose sum is σ = 358616904. Its totient is φ = 298847400.

The previous prime is 328732133. The next prime is 328732163. The reversal of 328732151 is 151237823.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328732151 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 (328737151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14942360 + ... + 14942381.

It is an arithmetic number, because the mean of its divisors is an integer number (89654226).

Almost surely, 2^328732151 is an apocalyptic number.

328732151 is a deficient number, since it is larger than the sum of its proper divisors (29884753).

328732151 is a wasteful number, since it uses less digits than its factorization.

328732151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29884752.

The product of its digits is 10080, while the sum is 32.

The square root of 328732151 is about 18130.9721471299. The cubic root of 328732151 is about 690.1562000220.

Adding to 328732151 its reverse (151237823), we get a palindrome (479969974).

The spelling of 328732151 in words is "three hundred twenty-eight million, seven hundred thirty-two thousand, one hundred fifty-one".