810325 has 6 divisors (see below), whose sum is σ = 1004834. Its totient is φ = 648240.

The previous prime is 810319. The next prime is 810343. The reversal of 810325 is 523018.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 181476 + 628849 = 426^2 + 793^2 .

It is not a de Polignac number, because 810325 - 2¹³ = 802133 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16182 + ... + 16231.

2⁸¹⁰³²⁵ is an apocalyptic number.

It is an amenable number.

810325 is a deficient number, since it is larger than the sum of its proper divisors (194509).

810325 is a wasteful number, since it uses less digits than its factorization.

810325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32423 (or 32418 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 810325 is about 900.1805374479. The cubic root of 810325 is about 93.2294408025.

It can be divided in two parts, 8103 and 25, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 810325 in words is "eight hundred ten thousand, three hundred twenty-five".