243001325 has 24 divisors (see below), whose sum is σ = 359346048. Its totient is φ = 159382080.

The previous prime is 243001313. The next prime is 243001331. The reversal of 243001325 is 523100342.

It is a happy number.

It is not a de Polignac number, because 243001325 - 2¹⁰ = 243000301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243001297 and 243001306.

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, 26162 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (14972752).

Almost surely, 2^243001325 is an apocalyptic number.

243001325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243001325 is a deficient number, since it is larger than the sum of its proper divisors (116344723).

243001325 is a wasteful number, since it uses less digits than its factorization.

243001325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60413 (or 60408 counting only the distinct ones).

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

The square root of 243001325 is about 15588.4997674568. The cubic root of 243001325 is about 624.0262811156.

Adding to 243001325 its reverse (523100342), we get a palindrome (766101667).

The spelling of 243001325 in words is "two hundred forty-three million, one thousand, three hundred twenty-five".