325864782 has 80 divisors (see below), whose sum is σ = 802200960. Its totient is φ = 98409168.

The previous prime is 325864753. The next prime is 325864783. The reversal of 325864782 is 287468523.

It is a super-2 number, since 2×325864782² = 212375712295815048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325864783) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68493 + ... + 73095.

It is an arithmetic number, because the mean of its divisors is an integer number (10027512).

Almost surely, 2^325864782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325864782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401100480).

325864782 is an abundant number, since it is smaller than the sum of its proper divisors (476336178).

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

325864782 is a wasteful number, since it uses less digits than its factorization.

325864782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4650 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 325864782 is about 18051.7251807133. The cubic root of 325864782 is about 688.1437061787.

The spelling of 325864782 in words is "three hundred twenty-five million, eight hundred sixty-four thousand, seven hundred eighty-two".