6820325 has 6 divisors (see below), whose sum is σ = 8457234. Its totient is φ = 5456240.

The previous prime is 6820291. The next prime is 6820339. The reversal of 6820325 is 5230286.

It can be written as a sum of positive squares in 3 ways, for example, as 1653796 + 5166529 = 1286^2 + 2273^2 .

It is not a de Polignac number, because 6820325 - 2¹⁴ = 6803941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6820294 and 6820303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136382 + ... + 136431.

It is an arithmetic number, because the mean of its divisors is an integer number (1409539).

Almost surely, 2^6820325 is an apocalyptic number.

It is an amenable number.

6820325 is a deficient number, since it is larger than the sum of its proper divisors (1636909).

6820325 is a wasteful number, since it uses less digits than its factorization.

6820325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272823 (or 272818 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6820325 is about 2611.5751951648. The cubic root of 6820325 is about 189.6422168124.

The spelling of 6820325 in words is "six million, eight hundred twenty thousand, three hundred twenty-five".