243500125 has 16 divisors (see below), whose sum is σ = 331516224. Its totient is φ = 177090000.

The previous prime is 243500113. The next prime is 243500183. The reversal of 243500125 is 521005342.

It is not a de Polignac number, because 243500125 - 2¹⁷ = 243369053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243500096 and 243500105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87171 + ... + 89920.

It is an arithmetic number, because the mean of its divisors is an integer number (20719764).

Almost surely, 2^243500125 is an apocalyptic number.

243500125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243500125 is a deficient number, since it is larger than the sum of its proper divisors (88016099).

243500125 is a wasteful number, since it uses less digits than its factorization.

243500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177117 (or 177107 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 243500125 is about 15604.4905395851. The cubic root of 243500125 is about 624.4529613376.

Adding to 243500125 its reverse (521005342), we get a palindrome (764505467).

The spelling of 243500125 in words is "two hundred forty-three million, five hundred thousand, one hundred twenty-five".