325231400 has 96 divisors (see below), whose sum is σ = 826926240. Its totient is φ = 118229760.

The previous prime is 325231381. The next prime is 325231411. The reversal of 325231400 is 4132523.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173267 + ... + 175133.

It is an arithmetic number, because the mean of its divisors is an integer number (8613815).

Almost surely, 2^325231400 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 325231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413463120).

325231400 is an abundant number, since it is smaller than the sum of its proper divisors (501694840).

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

325231400 is a wasteful number, since it uses less digits than its factorization.

325231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 325231400 is about 18034.1731166139. The cubic root of 325231400 is about 687.6975696644.

Adding to 325231400 its reverse (4132523), we get a palindrome (329363923).

The spelling of 325231400 in words is "three hundred twenty-five million, two hundred thirty-one thousand, four hundred".