243411325 has 12 divisors (see below), whose sum is σ = 304037460. Its totient is φ = 193304960.

The previous prime is 243411319. The next prime is 243411331. The reversal of 243411325 is 523114342.

243411325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243411319) and next prime (243411331).

It can be written as a sum of positive squares in 6 ways, for example, as 52446564 + 190964761 = 7242^2 + 13819^2 .

It is not a de Polignac number, because 243411325 - 2¹⁷ = 243280253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 243411325.

It is a congruent number.

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, 32110 + ... + 38959.

It is an arithmetic number, because the mean of its divisors is an integer number (25336455).

Almost surely, 2^243411325 is an apocalyptic number.

243411325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243411325 is a deficient number, since it is larger than the sum of its proper divisors (60626135).

243411325 is a wasteful number, since it uses less digits than its factorization.

243411325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71216 (or 71211 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 243411325 is about 15601.6449453255. The cubic root of 243411325 is about 624.3770432862.

Adding to 243411325 its reverse (523114342), we get a palindrome (766525667).

The spelling of 243411325 in words is "two hundred forty-three million, four hundred eleven thousand, three hundred twenty-five".