765272225 has 12 divisors (see below), whose sum is σ = 949888236. Its totient is φ = 611604480.

The previous prime is 765272203. The next prime is 765272243. The reversal of 765272225 is 522272567.

It can be written as a sum of positive squares in 6 ways, for example, as 181953121 + 583319104 = 13489^2 + 24152^2 .

It is not a de Polignac number, because 765272225 - 2²⁴ = 748495009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11009 + ... + 40641.

It is an arithmetic number, because the mean of its divisors is an integer number (79157353).

Almost surely, 2^765272225 is an apocalyptic number.

It is an amenable number.

765272225 is a deficient number, since it is larger than the sum of its proper divisors (184616011).

765272225 is a wasteful number, since it uses less digits than its factorization.

765272225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30676 (or 30671 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 765272225 is about 27663.5540919817. The cubic root of 765272225 is about 914.6858985378.

The spelling of 765272225 in words is "seven hundred sixty-five million, two hundred seventy-two thousand, two hundred twenty-five".