243325404 has 96 divisors (see below), whose sum is σ = 723752960. Its totient is φ = 69253056.

The previous prime is 243325393. The next prime is 243325469. The reversal of 243325404 is 404523342.

243325404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277014 + ... + 277890.

Almost surely, 2^243325404 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 243325404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361876480).

243325404 is an abundant number, since it is smaller than the sum of its proper divisors (480427556).

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

243325404 is a wasteful number, since it uses less digits than its factorization.

243325404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264 (or 1256 counting only the distinct ones).

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

The square root of 243325404 is about 15598.8911144350. The cubic root of 243325404 is about 624.3035690091.

Adding to 243325404 its reverse (404523342), we get a palindrome (647848746).

The spelling of 243325404 in words is "two hundred forty-three million, three hundred twenty-five thousand, four hundred four".