328252538 has 4 divisors (see below), whose sum is σ = 492378810. Its totient is φ = 164126268.

The previous prime is 328252523. The next prime is 328252553. The reversal of 328252538 is 835252823.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (328252523) and next prime (328252553).

It can be written as a sum of positive squares in only one way, i.e., 192460129 + 135792409 = 13873^2 + 11653^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82063133 + ... + 82063136.

Almost surely, 2^328252538 is an apocalyptic number.

328252538 is a deficient number, since it is larger than the sum of its proper divisors (164126272).

328252538 is a wasteful number, since it uses less digits than its factorization.

328252538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164126271.

The product of its digits is 115200, while the sum is 38.

The square root of 328252538 is about 18117.7409739735. The cubic root of 328252538 is about 689.8203957379.

The spelling of 328252538 in words is "three hundred twenty-eight million, two hundred fifty-two thousand, five hundred thirty-eight".