325721088 has 528 divisors, whose sum is σ = 1287546624. Its totient is φ = 79626240.

The previous prime is 325721083. The next prime is 325721141. The reversal of 325721088 is 880127523.

325721088 is a `hidden beast` number, since 3 + 2 + 572 + 1 + 0 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (528).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325721083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19160056 + ... + 19160072.

Almost surely, 2^325721088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325721088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643773312).

325721088 is an abundant number, since it is smaller than the sum of its proper divisors (961825536).

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

325721088 is a wasteful number, since it uses less digits than its factorization.

325721088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 325721088 is about 18047.7446790451. The cubic root of 325721088 is about 688.0425428894.

The spelling of 325721088 in words is "three hundred twenty-five million, seven hundred twenty-one thousand, eighty-eight".