320534325 has 54 divisors (see below), whose sum is σ = 600382146. Its totient is φ = 163458240.

The previous prime is 320534299. The next prime is 320534329. The reversal of 320534325 is 523435023.

It can be written as a sum of positive squares in 3 ways, for example, as 13373649 + 307160676 = 3657^2 + 17526^2 .

It is not a de Polignac number, because 320534325 - 2¹³ = 320526133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320534329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 117679 + ... + 120371.

Almost surely, 2^320534325 is an apocalyptic number.

It is an amenable number.

320534325 is a deficient number, since it is larger than the sum of its proper divisors (279847821).

320534325 is a wasteful number, since it uses less digits than its factorization.

320534325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 320534325 is about 17903.4724285542. The cubic root of 320534325 is about 684.3708681805.

Adding to 320534325 its reverse (523435023), we get a palindrome (843969348).

The spelling of 320534325 in words is "three hundred twenty million, five hundred thirty-four thousand, three hundred twenty-five".