325821288 has 32 divisors (see below), whose sum is σ = 877212000. Its totient is φ = 100252608.

The previous prime is 325821283. The next prime is 325821299. The reversal of 325821288 is 882128523.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (325821281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521838 + ... + 522461.

It is an arithmetic number, because the mean of its divisors is an integer number (27412875).

Almost surely, 2^325821288 is an apocalyptic number.

It is an amenable number.

325821288 is an abundant number, since it is smaller than the sum of its proper divisors (551390712).

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

325821288 is a wasteful number, since it uses less digits than its factorization.

325821288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044321 (or 1044317 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 325821288 is about 18050.5204357104. The cubic root of 325821288 is about 688.1130887205.

The spelling of 325821288 in words is "three hundred twenty-five million, eight hundred twenty-one thousand, two hundred eighty-eight".