765089225 has 12 divisors (see below), whose sum is σ = 949081740. Its totient is φ = 611832000.

The previous prime is 765089201. The next prime is 765089231. The reversal of 765089225 is 522980567.

It can be written as a sum of positive squares in 6 ways, for example, as 2611456 + 762477769 = 1616^2 + 27613^2 .

It is not a de Polignac number, because 765089225 - 2⁶ = 765089161 is a prime.

It is a super-2 number, since 2×765089225² = 1170723044422201250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88391 + ... + 96659.

It is an arithmetic number, because the mean of its divisors is an integer number (79090145).

Almost surely, 2^765089225 is an apocalyptic number.

It is an amenable number.

765089225 is a deficient number, since it is larger than the sum of its proper divisors (183992515).

765089225 is a wasteful number, since it uses less digits than its factorization.

765089225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980 (or 11975 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 765089225 is about 27660.2462931912. The cubic root of 765089225 is about 914.6129829320.

The spelling of 765089225 in words is "seven hundred sixty-five million, eighty-nine thousand, two hundred twenty-five".