325520004 has 24 divisors (see below), whose sum is σ = 766271520. Its totient is φ = 107545984.

The previous prime is 325519981. The next prime is 325520017. The reversal of 325520004 is 400025523.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118674 + ... + 121385.

It is an arithmetic number, because the mean of its divisors is an integer number (31927980).

Almost surely, 2^325520004 is an apocalyptic number.

It is an amenable number.

325520004 is an abundant number, since it is smaller than the sum of its proper divisors (440751516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325520004 is a wasteful number, since it uses less digits than its factorization.

325520004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240179 (or 240177 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 325520004 is about 18042.1729290017. The cubic root of 325520004 is about 687.9009259942.

Adding to 325520004 its reverse (400025523), we get a palindrome (725545527).

The spelling of 325520004 in words is "three hundred twenty-five million, five hundred twenty thousand, four".