325817856 has 480 divisors, whose sum is σ = 1240858080. Its totient is φ = 83607552.

The previous prime is 325817831. The next prime is 325817881. The reversal of 325817856 is 658718523.

It is an interprime number because it is at equal distance from previous prime (325817831) and next prime (325817881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8805870 + ... + 8805906.

It is an arithmetic number, because the mean of its divisors is an integer number (2585121).

Almost surely, 2^325817856 is an apocalyptic number.

325817856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325817856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620429040).

325817856 is an abundant number, since it is smaller than the sum of its proper divisors (915040224).

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

325817856 is a wasteful number, since it uses less digits than its factorization.

325817856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 62 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 325817856 is about 18050.4253689491. The cubic root of 325817856 is about 688.1106726594.

The spelling of 325817856 in words is "three hundred twenty-five million, eight hundred seventeen thousand, eight hundred fifty-six".