243125445425 has 24 divisors (see below), whose sum is σ = 317651127360. Its totient is φ = 184084401600.

The previous prime is 243125445419. The next prime is 243125445439. The reversal of 243125445425 is 524544521342.

It is not a de Polignac number, because 243125445425 - 2³² = 238830478129 is a prime.

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, 241499 + ... + 737951.

It is an arithmetic number, because the mean of its divisors is an integer number (13235463640).

Almost surely, 2^243125445425 is an apocalyptic number.

243125445425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243125445425 is a deficient number, since it is larger than the sum of its proper divisors (74525681935).

243125445425 is a wasteful number, since it uses less digits than its factorization.

243125445425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497513 (or 497508 counting only the distinct ones).

The product of its digits is 768000, while the sum is 41.

Adding to 243125445425 its reverse (524544521342), we get a palindrome (767669966767).

The spelling of 243125445425 in words is "two hundred forty-three billion, one hundred twenty-five million, four hundred forty-five thousand, four hundred twenty-five".