243116625 has 32 divisors (see below), whose sum is σ = 413981568. Its totient is φ = 126638400.

The previous prime is 243116617. The next prime is 243116641. The reversal of 243116625 is 526611342.

It is not a de Polignac number, because 243116625 - 2³ = 243116617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243116592 and 243116601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8587 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (12936924).

Almost surely, 2^243116625 is an apocalyptic number.

243116625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243116625 is a deficient number, since it is larger than the sum of its proper divisors (170864943).

243116625 is a wasteful number, since it uses less digits than its factorization.

243116625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15138 (or 15128 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 243116625 is about 15592.1975680146. The cubic root of 243116625 is about 624.1249621324.

Adding to 243116625 its reverse (526611342), we get a palindrome (769727967).

The spelling of 243116625 in words is "two hundred forty-three million, one hundred sixteen thousand, six hundred twenty-five".