328257783025 has 6 divisors (see below), whose sum is σ = 407039650982. Its totient is φ = 262606226400.

The previous prime is 328257783019. The next prime is 328257783041. The reversal of 328257783025 is 520387752823.

It can be written as a sum of positive squares in 3 ways, for example, as 1712966544 + 326544816481 = 41388^2 + 571441^2 .

It is not a de Polignac number, because 328257783025 - 2⁹ = 328257782513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6565155636 + ... + 6565155685.

Almost surely, 2^328257783025 is an apocalyptic number.

It is an amenable number.

328257783025 is a deficient number, since it is larger than the sum of its proper divisors (78781867957).

328257783025 is a wasteful number, since it uses less digits than its factorization.

328257783025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130311331 (or 13130311326 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 328257783025 in words is "three hundred twenty-eight billion, two hundred fifty-seven million, seven hundred eighty-three thousand, twenty-five".