243022325 has 24 divisors (see below), whose sum is σ = 370892928. Its totient is φ = 153823680.

The previous prime is 243022313. The next prime is 243022337. The reversal of 243022325 is 523220342.

It is an interprime number because it is at equal distance from previous prime (243022313) and next prime (243022337).

It is not a de Polignac number, because 243022325 - 2¹⁸ = 242760181 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243022325.

It is a congruent number.

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, 51137 + ... + 55686.

It is an arithmetic number, because the mean of its divisors is an integer number (15453872).

Almost surely, 2^243022325 is an apocalyptic number.

243022325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243022325 is a deficient number, since it is larger than the sum of its proper divisors (127870603).

243022325 is a wasteful number, since it uses less digits than its factorization.

243022325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106853 (or 106848 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 243022325 is about 15589.1733263826. The cubic root of 243022325 is about 624.0442565655.

Adding to 243022325 its reverse (523220342), we get a palindrome (766242667).

The spelling of 243022325 in words is "two hundred forty-three million, twenty-two thousand, three hundred twenty-five".