328340025 has 36 divisors (see below), whose sum is σ = 633337068. Its totient is φ = 161642880.

The previous prime is 328340017. The next prime is 328340029. The reversal of 328340025 is 520043823.

It can be written as a sum of positive squares in 6 ways, for example, as 85821696 + 242518329 = 9264^2 + 15573^2 .

It is not a de Polignac number, because 328340025 - 2³ = 328340017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328340029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 53202 + ... + 59051.

Almost surely, 2^328340025 is an apocalyptic number.

It is an amenable number.

328340025 is a deficient number, since it is larger than the sum of its proper divisors (304997043).

328340025 is a wasteful number, since it uses less digits than its factorization.

328340025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112282 (or 112274 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 328340025 is about 18120.1552145670. The cubic root of 328340025 is about 689.8816747321.

Adding to 328340025 its reverse (520043823), we get a palindrome (848383848).

The spelling of 328340025 in words is "three hundred twenty-eight million, three hundred forty thousand, twenty-five".