325420284 has 96 divisors (see below), whose sum is σ = 909941760. Its totient is φ = 88501248.

The previous prime is 325420253. The next prime is 325420289. The reversal of 325420284 is 482024523.

It is a super-2 number, since 2×325420284² = 211796722477281312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325420289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751332 + ... + 751764.

It is an arithmetic number, because the mean of its divisors is an integer number (9478560).

Almost surely, 2^325420284 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 325420284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454970880).

325420284 is an abundant number, since it is smaller than the sum of its proper divisors (584521476).

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

325420284 is a wasteful number, since it uses less digits than its factorization.

325420284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 325420284 is about 18039.4091920994. The cubic root of 325420284 is about 687.8306748213.

The spelling of 325420284 in words is "three hundred twenty-five million, four hundred twenty thousand, two hundred eighty-four".