325564500 has 96 divisors (see below), whose sum is σ = 956067840. Its totient is φ = 86083200.

The previous prime is 325564489. The next prime is 325564507. The reversal of 325564500 is 5465523.

It is a super-3 number, since 3×325564500³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325564507) 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, 189646 + ... + 191354.

It is an arithmetic number, because the mean of its divisors is an integer number (9959040).

Almost surely, 2^325564500 is an apocalyptic number.

325564500 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 325564500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478033920).

325564500 is an abundant number, since it is smaller than the sum of its proper divisors (630503340).

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

325564500 is a wasteful number, since it uses less digits than its factorization.

325564500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 325564500 is about 18043.4059977600. The cubic root of 325564500 is about 687.9322680978.

The spelling of 325564500 in words is "three hundred twenty-five million, five hundred sixty-four thousand, five hundred".