806725 has 18 divisors (see below), whose sum is σ = 1062866. Its totient is φ = 607200.

The previous prime is 806719. The next prime is 806737. The reversal of 806725 is 527608.

806725 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 2116 + 804609 = 46^2 + 897^2 .

It is not a de Polignac number, because 806725 - 2⁹ = 806213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806693 and 806702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13195 + ... + 13255.

2⁸⁰⁶⁷²⁵ is an apocalyptic number.

It is an amenable number.

806725 is a deficient number, since it is larger than the sum of its proper divisors (256141).

806725 is a wasteful number, since it uses less digits than its factorization.

806725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 806725 is about 898.1787127293. The cubic root of 806725 is about 93.0911735469.

The spelling of 806725 in words is "eight hundred six thousand, seven hundred twenty-five".