243103025 has 12 divisors (see below), whose sum is σ = 328852464. Its totient is φ = 176802000.

The previous prime is 243102973. The next prime is 243103051. The reversal of 243103025 is 520301342.

It is a happy number.

It is not a de Polignac number, because 243103025 - 2²⁴ = 226325809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243102988 and 243103006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441731 + ... + 442280.

It is an arithmetic number, because the mean of its divisors is an integer number (27404372).

Almost surely, 2^243103025 is an apocalyptic number.

243103025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243103025 is a deficient number, since it is larger than the sum of its proper divisors (85749439).

243103025 is a wasteful number, since it uses less digits than its factorization.

243103025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884032 (or 884027 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 243103025 is about 15591.7614463536. The cubic root of 243103025 is about 624.1133240173.

Adding to 243103025 its reverse (520301342), we get a palindrome (763404367).

The spelling of 243103025 in words is "two hundred forty-three million, one hundred three thousand, twenty-five".