780325 has 30 divisors (see below), whose sum is σ = 1215634. Its totient is φ = 493920.

The previous prime is 780323. The next prime is 780343. The reversal of 780325 is 523087.

780325 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 3 ways, for example, as 2401 + 777924 = 49^2 + 882^2 .

It is not a de Polignac number, because 780325 - 2¹ = 780323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 780325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780323) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 60019 + ... + 60031.

2⁷⁸⁰³²⁵ is an apocalyptic number.

It is an amenable number.

780325 is a deficient number, since it is larger than the sum of its proper divisors (435309).

780325 is an equidigital number, since it uses as much as digits as its factorization.

780325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 780325 is about 883.3600624887. The cubic root of 780325 is about 92.0644240000.

780325 divided by its sum of digits (25) gives a palindrome (31213).

The spelling of 780325 in words is "seven hundred eighty thousand, three hundred twenty-five".