6865725 has 24 divisors (see below), whose sum is σ = 11721472. Its totient is φ = 3542400.

The previous prime is 6865717. The next prime is 6865759. The reversal of 6865725 is 5275686.

It is a happy number.

It is not a de Polignac number, because 6865725 - 2³ = 6865717 is a prime.

It is a super-3 number, since 3×6865725³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

6865725 is a lucky number.

It is a plaindrome in base 7.

It is a congruent number.

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, 849 + ... + 3801.

Almost surely, 2^6865725 is an apocalyptic number.

It is an amenable number.

6865725 is a deficient number, since it is larger than the sum of its proper divisors (4855747).

6865725 is a wasteful number, since it uses less digits than its factorization.

6865725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2992 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 6865725 is about 2620.2528503944. The cubic root of 6865725 is about 190.0620757463.

Subtracting from 6865725 its sum of digits (39), we obtain a palindrome (6865686).

The spelling of 6865725 in words is "six million, eight hundred sixty-five thousand, seven hundred twenty-five".