811325 has 24 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 577280.

The previous prime is 811297. The next prime is 811337. The reversal of 811325 is 523118.

811325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-811325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 811297 and 811306.

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 811325.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9734 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁸¹¹³²⁵ is an apocalyptic number.

811325 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

811325 is a deficient number, since it is larger than the sum of its proper divisors (313603).

811325 is a wasteful number, since it uses less digits than its factorization.

811325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 128 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 811325 is about 900.7358103240. The cubic root of 811325 is about 93.2677756749.

The spelling of 811325 in words is "eight hundred eleven thousand, three hundred twenty-five".