243003325 has 24 divisors (see below), whose sum is σ = 312792480. Its totient is φ = 187051200.

The previous prime is 243003317. The next prime is 243003337. The reversal of 243003325 is 523300342.

It is not a de Polignac number, because 243003325 - 2³ = 243003317 is a prime.

It is a super-2 number, since 2×243003325² = 118101231922111250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243003296 and 243003305.

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, 413682 + ... + 414268.

It is an arithmetic number, because the mean of its divisors is an integer number (13033020).

Almost surely, 2^243003325 is an apocalyptic number.

243003325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243003325 is a deficient number, since it is larger than the sum of its proper divisors (69789155).

243003325 is a wasteful number, since it uses less digits than its factorization.

243003325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 243003325 is about 15588.5639171798. The cubic root of 243003325 is about 624.0279931078.

Adding to 243003325 its reverse (523300342), we get a palindrome (766303667).

The spelling of 243003325 in words is "two hundred forty-three million, three thousand, three hundred twenty-five".