325961280 has 224 divisors, whose sum is σ = 1187988480. Its totient is φ = 84049920.

The previous prime is 325961263. The next prime is 325961291. The reversal of 325961280 is 82169523.

325961280 is a `hidden beast` number, since 32 + 5 + 9 + 612 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267232 + ... + 268448.

It is an arithmetic number, because the mean of its divisors is an integer number (5303520).

Almost surely, 2^325961280 is an apocalyptic number.

325961280 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 325961280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593994240).

325961280 is an abundant number, since it is smaller than the sum of its proper divisors (862027200).

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

325961280 is a wasteful number, since it uses less digits than its factorization.

325961280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 325961280 is about 18054.3978021977. The cubic root of 325961280 is about 688.2116259022.

The spelling of 325961280 in words is "three hundred twenty-five million, nine hundred sixty-one thousand, two hundred eighty".