765352225 has 27 divisors (see below), whose sum is σ = 1045234099. Its totient is φ = 555513200.

The previous prime is 765352219. The next prime is 765352229. The reversal of 765352225 is 522253567.

The square root of 765352225 is 27665.

It is a perfect power (a square), and thus also a powerful number.

765352225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 275526801 + 489825424 = 16599^2 + 22132^2 .

It is not a de Polignac number, because 765352225 - 2⁵ = 765352193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (765352229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1521324 + ... + 1521826.

Almost surely, 2^765352225 is an apocalyptic number.

765352225 is the 27665-th square number.

765352225 is the 13833-rd centered octagonal number.

It is an amenable number.

765352225 is a deficient number, since it is larger than the sum of its proper divisors (279881874).

765352225 is an equidigital number, since it uses as much as digits as its factorization.

765352225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 519 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The cubic root of 765352225 is about 914.7177705610.

The spelling of 765352225 in words is "seven hundred sixty-five million, three hundred fifty-two thousand, two hundred twenty-five".