243672825 has 48 divisors (see below), whose sum is σ = 443310912. Its totient is φ = 118096000.

The previous prime is 243672809. The next prime is 243672839. The reversal of 243672825 is 528276342.

243672825 = T₄₆ + T₄₇ + ... + T₁₁₃₄.

It is not a de Polignac number, because 243672825 - 2⁴ = 243672809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98605 + ... + 101045.

It is an arithmetic number, because the mean of its divisors is an integer number (9235644).

Almost surely, 2^243672825 is an apocalyptic number.

243672825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243672825 is a deficient number, since it is larger than the sum of its proper divisors (199638087).

243672825 is a wasteful number, since it uses less digits than its factorization.

243672825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2460 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 243672825 is about 15610.0232222761. The cubic root of 243672825 is about 624.6005554315.

The spelling of 243672825 in words is "two hundred forty-three million, six hundred seventy-two thousand, eight hundred twenty-five".