325223424 has 132 divisors (see below), whose sum is σ = 974601264. Its totient is φ = 108324864.

The previous prime is 325223419. The next prime is 325223441. The reversal of 325223424 is 424322523.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248179 + ... + 249485.

Almost surely, 2^325223424 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 325223424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487300632).

325223424 is an abundant number, since it is smaller than the sum of its proper divisors (649377840).

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

325223424 is an equidigital number, since it uses as much as digits as its factorization.

325223424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1312 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 325223424 is about 18033.9519795302. The cubic root of 325223424 is about 687.6919479024.

Adding to 325223424 its reverse (424322523), we get a palindrome (749545947).

Subtracting 325223424 from its reverse (424322523), we obtain a palindrome (99099099).

The spelling of 325223424 in words is "three hundred twenty-five million, two hundred twenty-three thousand, four hundred twenty-four".