320325025 has 12 divisors (see below), whose sum is σ = 414473472. Its totient is φ = 245117840.

The previous prime is 320325001. The next prime is 320325029. The reversal of 320325025 is 520523023.

It is not a de Polignac number, because 320325025 - 2⁵ = 320324993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320324987 and 320325005.

It is not an unprimeable number, because it can be changed into a prime (320325029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277969 + ... + 279118.

It is an arithmetic number, because the mean of its divisors is an integer number (34539456).

Almost surely, 2^320325025 is an apocalyptic number.

It is an amenable number.

320325025 is a deficient number, since it is larger than the sum of its proper divisors (94148447).

320325025 is a wasteful number, since it uses less digits than its factorization.

320325025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557120 (or 557115 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 320325025 is about 17897.6262392531. The cubic root of 320325025 is about 684.2218773654.

Adding to 320325025 its reverse (520523023), we get a palindrome (840848048).

The spelling of 320325025 in words is "three hundred twenty million, three hundred twenty-five thousand, twenty-five".