725500232 has 36 divisors (see below), whose sum is σ = 1388746905. Its totient is φ = 355322176.

The previous prime is 725500231. The next prime is 725500253. The reversal of 725500232 is 232005527.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 648517156 + 76983076 = 25466^2 + 8774^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19046.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725500231) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 6780323 + ... + 6780429.

Almost surely, 2^725500232 is an apocalyptic number.

It is an amenable number.

725500232 is a deficient number, since it is larger than the sum of its proper divisors (663246673).

725500232 is an equidigital number, since it uses as much as digits as its factorization.

725500232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 725500232 is about 26935.1115089580. Note that the first 3 decimals coincide. The cubic root of 725500232 is about 898.5574553404.

Adding to 725500232 its reverse (232005527), we get a palindrome (957505759).

The spelling of 725500232 in words is "seven hundred twenty-five million, five hundred thousand, two hundred thirty-two".