243368725 has 12 divisors (see below), whose sum is σ = 312184260. Its totient is φ = 187980800.

The previous prime is 243368717. The next prime is 243368729. The reversal of 243368725 is 527863342.

It can be written as a sum of positive squares in 6 ways, for example, as 14814801 + 228553924 = 3849^2 + 15118^2 .

It is not a de Polignac number, because 243368725 - 2³ = 243368717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243368729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167116 + ... + 168565.

It is an arithmetic number, because the mean of its divisors is an integer number (26015355).

Almost surely, 2^243368725 is an apocalyptic number.

243368725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243368725 is a deficient number, since it is larger than the sum of its proper divisors (68815535).

243368725 is a wasteful number, since it uses less digits than its factorization.

243368725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335720 (or 335715 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 243368725 is about 15600.2796449294. The cubic root of 243368725 is about 624.3406165863.

The spelling of 243368725 in words is "two hundred forty-three million, three hundred sixty-eight thousand, seven hundred twenty-five".