325440200 has 24 divisors (see below), whose sum is σ = 756648930. Its totient is φ = 130176000.

The previous prime is 325440131. The next prime is 325440209. The reversal of 325440200 is 2044523.

It can be written as a sum of positive squares in 3 ways, for example, as 297286564 + 28153636 = 17242^2 + 5306^2 .

It is a super-2 number, since 2×325440200² = 211822647552080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325440209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 813401 + ... + 813800.

Almost surely, 2^325440200 is an apocalyptic number.

It is an amenable number.

325440200 is an abundant number, since it is smaller than the sum of its proper divisors (431208730).

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

325440200 is a wasteful number, since it uses less digits than its factorization.

325440200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627217 (or 1627208 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 325440200 is about 18039.9611972975. The cubic root of 325440200 is about 687.8447064771.

Adding to 325440200 its reverse (2044523), we get a palindrome (327484723).

The spelling of 325440200 in words is "three hundred twenty-five million, four hundred forty thousand, two hundred".