325521425 has 6 divisors (see below), whose sum is σ = 403646598. Its totient is φ = 260417120.

The previous prime is 325521409. The next prime is 325521479. The reversal of 325521425 is 524125523.

It can be written as a sum of positive squares in 3 ways, for example, as 101929216 + 223592209 = 10096^2 + 14953^2 .

It is not a de Polignac number, because 325521425 - 2⁴ = 325521409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6510404 + ... + 6510453.

It is an arithmetic number, because the mean of its divisors is an integer number (67274433).

Almost surely, 2^325521425 is an apocalyptic number.

It is an amenable number.

325521425 is a deficient number, since it is larger than the sum of its proper divisors (78125173).

325521425 is a wasteful number, since it uses less digits than its factorization.

325521425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020867 (or 13020862 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 325521425 is about 18042.2123089160. The cubic root of 325521425 is about 687.9019269627.

Adding to 325521425 its reverse (524125523), we get a palindrome (849646948).

The spelling of 325521425 in words is "three hundred twenty-five million, five hundred twenty-one thousand, four hundred twenty-five".