325775400 has 96 divisors (see below), whose sum is σ = 1014741600. Its totient is φ = 86457600.

The previous prime is 325775393. The next prime is 325775419. The reversal of 325775400 is 4577523.

It is a super-2 number, since 2×325775400² = 212259222490320000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 136215 + ... + 138585.

It is an arithmetic number, because the mean of its divisors is an integer number (10570225).

Almost surely, 2^325775400 is an apocalyptic number.

325775400 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 325775400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507370800).

325775400 is an abundant number, since it is smaller than the sum of its proper divisors (688966200).

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

325775400 is a wasteful number, since it uses less digits than its factorization.

325775400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 325775400 is about 18049.2492918681. The cubic root of 325775400 is about 688.0807830598.

The spelling of 325775400 in words is "three hundred twenty-five million, seven hundred seventy-five thousand, four hundred".