765425 has 12 divisors (see below), whose sum is σ = 1005516. Its totient is φ = 576000.

The previous prime is 765409. The next prime is 765437. The reversal of 765425 is 524567.

It can be written as a sum of positive squares in 6 ways, for example, as 30976 + 734449 = 176^2 + 857^2 .

It is not a de Polignac number, because 765425 - 2⁴ = 765409 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 765425.

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, 476 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (83793).

2⁷⁶⁵⁴²⁵ is an apocalyptic number.

It is an amenable number.

765425 is a deficient number, since it is larger than the sum of its proper divisors (240091).

765425 is a wasteful number, since it uses less digits than its factorization.

765425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1823 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 765425 is about 874.8857068212. The cubic root of 765425 is about 91.4746762213.

The spelling of 765425 in words is "seven hundred sixty-five thousand, four hundred twenty-five".