243725025 has 12 divisors (see below), whose sum is σ = 402958832. Its totient is φ = 129986640.

The previous prime is 243725021. The next prime is 243725059. The reversal of 243725025 is 520527342.

It is not a de Polignac number, because 243725025 - 2² = 243725021 is a prime.

It is a super-2 number, since 2×243725025² = 118803775622501250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243724983 and 243725001.

It is not an unprimeable number, because it can be changed into a prime (243725021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1624759 + ... + 1624908.

Almost surely, 2^243725025 is an apocalyptic number.

243725025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243725025 is a deficient number, since it is larger than the sum of its proper divisors (159233807).

243725025 is a wasteful number, since it uses less digits than its factorization.

243725025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249680 (or 3249675 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 243725025 is about 15611.6951353785. The cubic root of 243725025 is about 624.6451532388.

The spelling of 243725025 in words is "two hundred forty-three million, seven hundred twenty-five thousand, twenty-five".