765325217 has 4 divisors (see below), whose sum is σ = 765542400. Its totient is φ = 765108036.

The previous prime is 765325201. The next prime is 765325277. The reversal of 765325217 is 712523567.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 765325217 - 2⁴ = 765325201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (765325277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103217 + ... + 110382.

It is an arithmetic number, because the mean of its divisors is an integer number (191385600).

Almost surely, 2^765325217 is an apocalyptic number.

It is an amenable number.

765325217 is a deficient number, since it is larger than the sum of its proper divisors (217183).

765325217 is a wasteful number, since it uses less digits than its factorization.

765325217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217182.

The product of its digits is 88200, while the sum is 38.

The square root of 765325217 is about 27664.5118699029. The cubic root of 765325217 is about 914.7070108143.

The spelling of 765325217 in words is "seven hundred sixty-five million, three hundred twenty-five thousand, two hundred seventeen".