325157280 has 384 divisors, whose sum is σ = 1254113280. Its totient is φ = 69242880.

The previous prime is 325157263. The next prime is 325157299. The reversal of 325157280 is 82751523.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4579645 + ... + 4579715.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2^325157280 is an apocalyptic number.

325157280 is a gapful number since it is divisible by the number (30) 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 325157280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627056640).

325157280 is an abundant number, since it is smaller than the sum of its proper divisors (928956000).

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

325157280 is a wasteful number, since it uses less digits than its factorization.

325157280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 325157280 is about 18032.1180120362. The cubic root of 325157280 is about 687.6453237697.

The spelling of 325157280 in words is "three hundred twenty-five million, one hundred fifty-seven thousand, two hundred eighty".